Where does “trilayered” come from?

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

trilayered (English): Having three layers

Definitions

  1. Having three layers

Ancestry of “trilayered”, step by step

trilayered traces back through two separate lines of ancestry.

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via English layered

StepLanguageWordMeaning
1EnglishlayeredFormed of layers; simple past tense and past...
Every word from Proto-Indo-European tréyes →Every word from English tri →