Where does “expoundeth” come from?

expoundeth (English) comes from English expound, from Old French espondre, from Latin expōnō, from Latin pōnō, from Proto-Italic poznō, from Proto-Italic pozinō, from Proto-Italic sinō.

expoundeth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “expoundeth”, step by step

expoundeth traces back through two separate lines of ancestry.

via English expound

StepLanguageWordMeaning
1EnglishexpoundTo set out the meaning of; to explain or discuss...
2Old Frenchespondreto tell; to recount; to explain
3Latinexpōnōto make conspicuous, to put something where everyone may see it: to expose, exhibit, display, set out
4Latinpōnōto place; to put; to lay
5Proto-Italicpoznō
6Proto-Italicpozinō
7Proto-Italicsinō

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Italic sinōEvery word from Proto-Italic pozinōEvery word from Proto-Italic poznō