The story
- Ancient Greekῐ̓́σος (ĭ́sos)
- Englishiso-
- Englishquinine
- Englishquinoline
- Englishisoquinoline
- Englishquiniso-
- GermanKokain
- English todayquinisocaine
From quiniso- (“alteration of isoquin(oline)”) + -caine (“local anesthetic”).
Etymology from Wiktionary, CC BY-SA 4.0.