Where does “benzoisoquinoline” come from?

benzoisoquinoline (English) comes from English isoquinoline, from English quinoline, from English quinine, from French quinine, from Spanish quina, from Latin quina, from Latin quini, from Latin quinque — five.

benzoisoquinoline (English): A tricyclic aromatic heterocycle formed by fusion of a benzene ring with an isoquinoline

Definitions

  1. A tricyclic aromatic heterocycle formed by fusion of a benzene ring with an isoquinoline

Ancestry of “benzoisoquinoline”, step by step

StepLanguageWordMeaning
1EnglishisoquinolineAn isomer of quinoline, many of whose derivatives...
2EnglishquinolineAny of a class of aromatic heterocyclic compounds...
3EnglishquinineA bitter colourless powder, an alkaloid derived...
4Frenchquininequinine
5Spanishquinaquinine; toxic wine; double five
6Latinquinanominative neuter plural of quīnī; accusative...
7Latinquinifive each; five at a time
8Latinquinquefive; 5
9Proto-Italickʷenkʷefive
10Proto-Indo-Europeanpénkʷefive
Every word from Proto-Indo-European pénkʷeEvery word from Proto-Italic kʷenkʷeEvery word from Latin quinque
benzoisoquinoline — Etymology, Origin & Word History | Etymology Explorer