Where does “trisubstituted” come from?

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

trisubstituted (English): substituted with three substituents

Definitions

  1. substituted with three substituents

Ancestry of “trisubstituted”, step by step

trisubstituted traces back through two separate lines of ancestry.

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via English substituted

StepLanguageWordMeaning
1Englishsubstitutedsimple past tense and past participle of...
Every word from Proto-Indo-European tréyes →Every word from English tri →