Where does “trilobulated” come from?

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

trilobulated (English): Having three lobules

Definitions

  1. Having three lobules

Ancestry of “trilobulated”, step by step

trilobulated traces back through two separate lines of ancestry.

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via English lobulated

StepLanguageWordMeaning
1EnglishlobulatedMade up of, or divided into, lobules
Every word from Proto-Indo-European tréyes →Every word from English tri →
trilobulated — Etymology, Origin & Word History | Etymology Explorer