Where does “butynyl” come from?

butynyl (English) comes from English butyne, from English but, from Middle English but, from Old English būtan, from Proto-West Germanic *biūtan — outside, externally.

butynyl (English): Either of three isomeric univalent radicals (C4H5-) derived from the two isomers of butyne (C4H6)

Definitions

  1. Either of three isomeric univalent radicals (C4H5-) derived from the two isomers of butyne (C4H6)

Ancestry of “butynyl”, step by step

butynyl traces back through two separate lines of ancestry.

via English butyne

StepLanguageWordMeaning
1EnglishbutyneEither of two isomeric acetylenes containing four...
2EnglishbutApart from, except (for), excluding
3Middle EnglishbutAlternative form of bote
4Old Englishbūtanwithout, outside of, except, only; outside of
5Proto-West Germanic*biūtanoutside, externally

via English YL

StepLanguageWordMeaning
1EnglishYLA female radio amateur; Initialism of young...
2Englishyoung ladyUsed other than with a figurative or idiomatic...

Words derived from “butynyl

Every word from Proto-West Germanic *biūtanEvery word from Old English būtanEvery word from Middle English but