Where does “unbuttonable” come from?

unbuttonable (English) comes from English unbutton, from English button, from French bouton, from Italian bottone, from Spanish botón, from Old French boton, from Old French bouter, from Frankish bautan — to grow, swell; to swell, wax, grow; to blow; to...

unbuttonable (English): Capable of being unbuttoned; Not capable of being...

Definitions

  1. Capable of being unbuttoned; Not capable of being...

Ancestry of “unbuttonable”, step by step

unbuttonable traces back through 3 separate lines of ancestry.

via English unbutton

StepLanguageWordMeaning
1EnglishunbuttonTo open by undoing its buttons; To come open by...
2EnglishbuttonA knob or disc that is passed through a loop or (buttonhole), serving as a fastener
3Frenchboutonbutton; bud; pimple, spot, zit
4Italianbottonebutton; bud
5Spanishbotónbutton; key; bud
6Old Frenchboton
7Old Frenchbouterto strike; to hit; to place; to put; to enter
8Frankishbautanto push, strike, beat; to hit, strike; to hit,...
9Proto-West Germanicbautanto beat
10Proto-Germanicbautanąto beat, push
11Proto-Indo-Europeanbʰewd-to hit, strike; to beat, push; to strike, push,...
12Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...

via English buttonable

StepLanguageWordMeaning
1EnglishbuttonableCapable of being fastened with a button or...
2EnglishableEasy to use; Suitable; competent; Liable to
3Middle Englishablecapable, expert, qualified, skilful, competent
4Old Frenchableable; capable
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis
8Proto-Indo-European-elis
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European bʰew-