Where does “aid and abet” come from?

aid and abet (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.

aid and abet (English): To be an accessory or accomplice to someone in an illegal act

Definitions

  1. To be an accessory or accomplice to someone in an illegal act

Ancestry of “aid and abet”, step by step

aid and abet traces back through 3 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 abet

StepLanguageWordMeaning
1EnglishabetTo urge on, stimulate something desirable; To...
2Middle Englishabetten
3Old Frenchabeterto entice
4Old Frenchbeterto bait
5Old Norsebeitato graze; to allow, let, make bite; to steer or...
6Proto-GermanicbaitōThat which is or can be bitten; food; bait
7Proto-Indo-Europeanbʰeyd-to split
8Proto-Indo-Europeanbʰey-bee

via English AND

StepLanguageWordMeaning
1EnglishANDAlternative form of ∧, the conjunction operator;...
2Middle Englishandand, and then; however, yet, but, though. while;...
3Old Englishandand; even; also
4Proto-Germanicandiin addition, furthermore, and
5Proto-Indo-Europeanh₂éntiopposite; near; in front
6Proto-Indo-Europeanh₂éntsforehead; front
7Proto-Indo-Europeanh₂ent-face; forehead; front
8Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European -tus