Where does “propoundest” come from?

propoundest (English) comes from English Est, from Middle English este, from Old English ēst, from Proto-West Germanic *ansti, from Proto-Germanic anstiz, from Proto-Germanic unnaną, from Proto-Indo-European ān- — to notice; face, mouth.

Ancestry of “propoundest”, step by step

propoundest traces back through two separate lines of ancestry.

via English Est

StepLanguageWordMeaning
1EnglishEstestablished
2Middle Englishestegrace, est, favour; pleasure, enjoyment, fun;...
3Old Englishēstwill, consent, favour, grace, liberality,...
4Proto-West Germanic*anstifavour
5Proto-Germanicanstizfavour, affection
6Proto-Germanicunnanąto grant, bestow
7Proto-Indo-Europeanān-to notice; face, mouth

via English propound

StepLanguageWordMeaning
1EnglishpropoundTo put forward; to offer for discussion or debate
2Middle Englishproponento put forward
3Latinprōpōnere
Every word from Proto-Indo-European ān-Every word from Proto-Germanic unnanąEvery word from Proto-Germanic anstiz