Where does “aidest” come from?

aidest (English) comes from English aid, from Middle English aiden, from Middle French ayder, from Old French aidier, from Latin adiūtō, from Latin -tō, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

aidest (English): second-person singular simple present form of aid

Definitions

  1. second-person singular simple present form of aid

Ancestry of “aidest”, step by step

aidest traces back through two separate lines of ancestry.

via English aid

StepLanguageWordMeaning
1EnglishaidHelp; assistance; succor, relief; A helper; an...
2Middle EnglishaidenTo aid
3Middle Frenchayderto help; to aid
4Old Frenchaidierto help
5Latinadiūtōto help, serve, assist
6Latin-tōForms here
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

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 -tus