Where does “avoucheth” come from?

avoucheth (English) comes from English avouch, from Old French avouchier, from Latin advocāre, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

avoucheth (English): third-person singular simple present indicative...

Definitions

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

Ancestry of “avoucheth”, step by step

avoucheth traces back through two separate lines of ancestry.

via English avouch

StepLanguageWordMeaning
1EnglishavouchTo declare freely and openly; to assert; To...
2Old Frenchavouchier
3Latinadvocāre
4LatinAdtoward, to
5Latinilliche, she, it, yonder, that, overthere; in that...
6Latinillethat; those; "; demonstrative pronoun "; that...
7LatinolleArchaic form of ille
8Proto-Italic*olnosthat

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Italic *olnosEvery word from Latin olleEvery word from Latin ille