Where does “espousable” come from?

espousable (English) comes from English espouse, from Middle English espousen, from Old French espouser, from Latin spōnsō, from Latin spōnsus, from Latin spondeō, from Proto-Italic spondeō, from Proto-Indo-European spondéyeti — to libate.

espousable (English): Capable of being espoused

Definitions

  1. Capable of being espoused

Ancestry of “espousable”, step by step

espousable traces back through two separate lines of ancestry.

via English espouse

StepLanguageWordMeaning
1EnglishespouseTo become/get married to; To accept, support, or...
2Middle Englishespousen
3Old Frenchespouserto marry
4Latinspōnsōto betroth
5Latinspōnsusa groom
6Latinspondeōto promise, bind or pledge oneself, contract, vow
7Proto-Italicspondeōto promise, to pledge
8Proto-Indo-Europeanspondéyeti
9Proto-Indo-Europeanspend-to libate

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European spend-Every word from Proto-Indo-European spondéyetiEvery word from Proto-Italic spondeō