Meanings
- Outside.
Synonyms: out-, ex-, exo- · Antonyms: in-, intra-, en-/em-/im-, end-/endo-/ento-
- Ghost-related.
ecto-blaster, ectometer
1 more example
For quotations using this term, see Citations:ecto-.
Synonyms & antonyms
Origin
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁eǵʰs
- Proto-Hellenic*eks
- Ancient Greekἐκ (ek)
- Proto-Indo-European*h₁én
- Proto-Indo-European*h₁éntos
- Proto-Hellenic*entós
- Ancient Greekἐντός (entós)
- Ancient Greekἐκτός (ektós)
- Englishecto-
From Ancient Greek ἐκτός (ektós, “outside”). Sense 2 ("ghost-related") is a reinterpretation of this prefix in the word ectoplasm (“paranormal substance believed to be involved in the materialization of the dead”), for the etymology of which see there.
More words from Ancient Greek
Full word history & related roots →Translations
Catalan ecto-
- ecto-Translations
Finnish ekto-
- ekto-Translations
French ecto-
- ecto-Translations
German ekto-
- ekto-Translations
Greek εκτο-
- εκτο- (ekto-)Translations
Italian ècto-
- ècto-Translations
Polish ekto-
- ekto-Translations
Portuguese ecto-
- ecto-Translations
Spanish ecto-
- ecto-Translations
Cite this entry
ecto-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ecto-
“ecto-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ecto-. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “ecto-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ecto-.
Source: ecto- on Wiktionary, CC BY-SA 4.0.