Where does “tridiminished” come from?

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

tridiminished (English): Having had three cupolae removed

Definitions

  1. Having had three cupolae removed

Ancestry of “tridiminished”, step by step

tridiminished traces back through two separate lines of ancestry.

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via English diminished

StepLanguageWordMeaning
1Englishdiminishedsimple past tense and past participle of...
2Translingualdim—
Every word from Proto-Indo-European tréyes →Every word from English tri →