Where does “sustainest” come from?

sustainest (English) comes from English sustain, from Middle English susteinen, from Old French sustenir, from Vulgar Latin sustenire, from Latin sustineo, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

sustainest (English): second-person singular simple present form of...

Definitions

  1. second-person singular simple present form of...

Ancestry of “sustainest”, step by step

sustainest traces back through two separate lines of ancestry.

via English sustain

StepLanguageWordMeaning
1EnglishsustainTo maintain, or keep in existence; To provide for...
2Middle Englishsusteinen
3Old Frenchsustenirto hold up; to support; to support; to sustain
4Vulgar Latinsustenire
5LatinsustineoI hold up or upright, uphold, keep up, bear up,...
6Latinsub-under, sub
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-

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
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Latin sub-
sustainest — Etymology, Origin & Word History | Etymology Explorer