Where does “adjointable” come from?

adjointable (English) comes from English adjoint, from French adjoindre, from Middle French adjoindre, from Old French ajoindre, from Latin adiungō, from Latin ad-, from Latin īn-, from Latin în — in.

adjointable (English): That may be made adjoint

Definitions

  1. That may be made adjoint

Ancestry of “adjointable”, step by step

adjointable traces back through two separate lines of ancestry.

via English adjoint

StepLanguageWordMeaning
1EnglishadjointThat is related to another functor by an...
2Frenchadjoindreto adjoin; to join up
3Middle Frenchadjoindre
4Old Frenchajoindre
5Latinadiungōto add, join, attach, append, annex or bind to (something)
6Latinad-to; usually prefixed to verbs, in which cases it...
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

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 h₁énEvery word from Latin īn-Every word from Latin ad-