Etymology Explorer › English

Where does “isoquinoline” come from?

isoquinoline (English) comes from English quinoline, from English quinine, from French quinine, from Spanish quina, from Latin quina, from Latin quini, from Latin quinque, from Proto-Italic kʷenkʷe — five.

isoquinoline (English): An isomer of quinoline, many of whose derivatives...

Definitions

  1. An isomer of quinoline, many of whose derivatives...

Ancestry of “isoquinoline”, step by step

StepLanguageWordMeaning
1EnglishquinolineAny of a class of aromatic heterocyclic compounds...
2EnglishquinineA bitter colourless powder, an alkaloid derived...
3Frenchquininequinine
4Spanishquinaquinine; toxic wine; double five
5Latinquinanominative neuter plural of quīnī; accusative...
6Latinquinifive each; five at a time
7Latinquinquefive; 5
8Proto-Italickʷenkʷefive
9Proto-Indo-Europeanpénkʷefive

Words derived from “isoquinoline”

  • decahydroisoquinoline
  • diisoquinoline
  • acetylisoquinoline
Every word from Proto-Indo-European pénkʷe →