Where does “trienoic” come from?

trienoic (English) comes from English triene, from English tri, from Proto-Indo-European tréyes — three.

trienoic (English): Describing a carboxylic acid that has three...

Definitions

  1. Describing a carboxylic acid that has three...

Ancestry of “trienoic”, step by step

trienoic traces back through two separate lines of ancestry.

via English triene

StepLanguageWordMeaning
1EnglishtrieneAny alkene that has three double bonds
2Englishtritriathlon; triangle
3Proto-Indo-Europeantréyesthree

via English OIC

StepLanguageWordMeaning
1EnglishOICAbbreviation of officer in the case; Abbreviation...
Every word from Proto-Indo-European tréyesEvery word from English triEvery word from English triene