Where does “trivalvular” come from?

trivalvular (English) comes from English valvular, from Late Latin valvularum.

trivalvular (English): Having or relating to three valves

Definitions

  1. Having or relating to three valves

Ancestry of “trivalvular”, step by step

trivalvular traces back through two separate lines of ancestry.

via English valvular

StepLanguageWordMeaning
1EnglishvalvularOf or pertaining to valves, such as those of the...
2Late Latinvalvularum

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Late Latin valvularum