Where does “trifold” come from?

trifold (English) comes from English fold, from Middle English fold, from Old English fald, from Proto-Germanic faludaz — an enclosed space, enclosure.

trifold (English): threefold; Of a mirror: having three reflective...

Definitions

  1. threefold; Of a mirror: having three reflective...

Ancestry of “trifold”, step by step

trifold traces back through two separate lines of ancestry.

via English fold

StepLanguageWordMeaning
1EnglishfoldTo bend over so that it comes in contact with...
2Middle EnglishfoldA pen, enclosure, or shelter for domesticated animals
3Old Englishfald—
4Proto-Germanicfaludazan enclosed space, enclosure

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Germanic faludaz →