The story
- Proto-Indo-European*kʷetwóres
- Proto-Hellenic*kʷétwores
- Ancient Greekτέσσᾰρες (téssăres)
- Ancient Greekτετρᾰ- (tetră-)
- Englishtetra-
- GermanKokain
- English todaytetracaine
Etymology from Wiktionary, CC BY-SA 4.0.
tetracaine
Today it means: A crystalline basic ester C₁₅H₂₄N₂O₂ that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic. Full definition →
German Kokain ← English tetra- ← Ancient Greek τετρᾰ- (tetră-)