Word origins

• synomosyA group of political or other conspirators bound together by oath; a secret society.
• synthrononA structure, in the apse, containing the cathedra and seating for priests assisting a bishop.
• synthronosThe bishop's throne in the apse of an Eastern Orthodox church.
• syntonyA condition in which two oscillators have the same resonant frequency.
• syssitiaIn Ancient Greece, a common meal shared by men and youths in social or religious groups.
• tacho-speed, velocity
• tachy-fast
• tachydidaxyA short or rapid method of instructing; speed teaching.
• tachygraphyThe art and practice of rapid writing.
• tagmaA specialized, structured, grouping of functionally related segments, or analogous subunits, into units such as the head, the thorax, and the abdomen, particularly in various Arthropoda and Vertebrata.
• talantonA talent (ancient unit of weight and money)
• TaphosIn Homeric Greece, a group of islands in the Ionian Sea off the coast of Acarnania, inhabited by the piratical Taphians.
• tartemorionAn Ancient Greek silver coin.
• tasisExtending the sound of an utterance for the pleasure of saying or hearing it.
• taxiarchAn Athenian military officer commanding a certain division of an army.
• TaygeteOne of the Pleiades (daughters of Atlas and Pleione).
• TaygetosA mountain range in the prefectures of Laconia, Messenia and Arcadia on the Peloponnese peninsula in southern Greece.
• TeleboasSon of Pterelaus; ancestor of the Teleboae or Teleboans.
• telephilonA plant used in Ancient Greece in divinatory rituals regarding matters of love or sex.
• TelephusThe son of Heracles and Auge; he was adopted by Teuthras, the king of Mysia, in Asia Minor, whom he succeeded as king, and was both wounded and later healed by Achilles.
• telesterionA building used to celebrate sacred rites in Ancient Greece.
• telo-end
• telpherAn electric-run cable car used for transportation, along overhead wires.
• templonA barrier between the nave and the altar in a Byzantine church.
• -teneRibbon-like structure; Used to form words relating the structure of chromosomes in meiosis
• tetra-Four.
• tetractysA triangular figure consisting of ten points arranged in four rows, representing the fourth triangular number and having mystical significance to the Pythagoreans.
• tetragonSynonym of quadrilateral (“a polygon with four sides”).
• tetrakionionA type of tetrapylon in which the central crossing is not roofed, and the four corner-markers exist as four separate structures, not connected overhead.
• tetrakis-Synonym of tetra- used for multiplication with a second numerical prefix.
• tetrakis legomenonA word occurring only four times in a given corpus.
• tetraplaA text presented in four parallel versions, especially (historical) the version of the Bible presented in such a fashion by Origen.
• tetrapylonA Roman-style cubic structure with a gate on each of its four sides.
• tetraskelionA figure consisting of four limbs, radiating from the center; especially a fylfot or swastika.
• TeucerThe son of King Telamon and Hesione, who fought in the Trojan War and was renowned for his skill in archery.
• teuthisA small squid.
• thalamegosA state barge fitted with cabins, on the Nile
• ThalestrisThe queen of the Amazons, said to have brought 300 women to Alexander the Great, hoping to breed a race of children as strong and intelligent as he.
• ThamyrisA Thracian singer who challenged the Nine Muses to a competition and lost.
• ThargeliaOne of the chief Athenian festivals in honour of the Delian Apollo and Artemis, held on their birthdays, the 6th and 7th of the month Thargelion (about May 24 and 25).
• TheiaA Titan, the sister-wife of Hyperion.
• thelytokyA form of parthenogenesis in which females are produced from unfertilized eggs.
• theolepsyPossession by a deity; divine inspiration.
• theomachyA fight against the gods, as the mythological battle of the giants against the gods.
• theophoricContaining the name of a deity.
• theophoryThe property of bearing the name of a deity.
• TheoricaIn Athens in Ancient Greece, a fund of money expended on festivals, sacrifices, public entertainments, and largesse given to the people.
• -thermused to name types of animal having a specified form of body temperature mechanism
• thesmotheteA junior archon in Ancient Greece.
• threnosSynonym of threnody.
• threpticOf or pertaining to nutrition.
• -thymiaForms nouns referring to states of mind.
• -ticForms adjectives from nouns ending with -sis, -o, or -a
• TisiphoneOne of the Erinyes/Dirae (Furies, the goddesses of vengeance), and a companion of Nemesis/Invidia.
• tmemaA segment or section.
• TmolusA king of Lydia and husband to Omphale.
• TokharSynonym of Tocharian (“any member of the Tochari, a people who inhabited Bactria”)
• tomo-sections; cutting
• tormogenA specialized epidermal cell in insects, associated with the formation of the socket around the base of a bristle.
• toxarchThe captain of a group of archers in ancient Greece, particularly the mercenaries at Athens.
• toxarchesSynonym of toxarch.
• tribikosAn early distillation apparatus having three "beaks" to collect the distillate.
• trichotomyDivision or separation into three groups or pieces.
• trigononA small triangular harp.
• TriodionThe liturgical book used by the Eastern Orthodox Church, containing the propers for the fasting period preceding Easter and for the weeks leading up to the fast.
• TripolitaniaA historic region and former province in western Libya, centered around the coastal city of Tripoli.
• tris-A variant of tri- used to indicate that the component that does not take the prefix occurs three times in the compound: trisphosphuret of copper is PCu₃; trisbenzeneazoresorcinol, C₆H(OH)₂(N₂Ph)₃.
• trocho-wheel
• -tronUsed to name various electronic and neutronic devices.
• tropho-nourish; nourishment.
• -tropicTurning or changing.
• TybiThe fifth month of the later ancient Egyptian civil calendar and Coptic calendar, corresponding to the first month of the season of Peret. Since 25 BCE, when the calendar was reformed to include leap-days, Tybi has been in roughly January.
• typhlonThe caecum, or blind gut.
• TyphonomachyThe battle between Zeus and the fearsome monster Typhon
• ulerythemaAny of several cutaneous conditions involving redness and scarring, including atrophoderma vermiculatum and keratosis pilaris atrophicans faciei.
• -urgyA technique for working with something.
• uronicOf or pertaining to the uronic acids or their derivatives.
• xenelasiaSynonym of xenelasy (“the practice of expelling foreigners in Doric Crete and Lacedaemonia”).
• XenocratesAn Ancient Greek philosopher, mathematician, and the second leader (scholarch) of the Platonic Academy from 339 to 314 B.C.E.
• xesturgyThe process of polishing something.
• xiphosA double-edged, single-handed sword, typically used by Ancient Greek hoplites as a secondary weapon after the dory (thrusting spear) or javelin.
• xylonA unit of length in Ancient Greece.
• xystonA type of long thrusting lance, used in ancient Greece.
• xystusA long and open portico within the gymnasium.
• zeno-Relating to Jupiter
• -zoicRelating to some specified form of animal existence