Where does “exchangeability” come from?

exchangeability (English) comes from English exchange, from Middle English eschaungen, from Anglo-Norman eschaungier, from Old French eschanger, from Vulgar Latin excambiare, from Latin ex, from Latin commūnicō, from Latin commūnis — whale, sea monster; abyss.

exchangeability (English): The condition of being exchangeable

Definitions

  1. The condition of being exchangeable

Ancestry of “exchangeability”, step by step

exchangeability traces back through two separate lines of ancestry.

via English exchange

StepLanguageWordMeaning
1EnglishexchangeAn act of exchanging or trading; A place for...
2Middle EnglisheschaungenTo exchange or swap
3Anglo-Normaneschaungier
4Old FrencheschangerAlternative form of eschangier
5Vulgar Latinexcambiarepresent active infinitive of *excambiō;...
6LatinexA name of the letter "X"; out of, from
7Latincommūnicōto impart, share
8Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
9Old Latincom(m)oinis
10Proto-Italickommoiniscommon
11Proto-Indo-Europeanḱom-moy-ni-held in common
12Proto-Indo-Europeanḱómbeside, near, by, with
13Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
14Middle Englishkyt
15Russianкитwhale; genitive plural of ки́та
16Old Church Slavonicкитъwhale
17Ancient Greekκῆτοςwhale, sea monster; abyss

via English ability

StepLanguageWordMeaning
1EnglishabilitySuitableness; The quality or state of being able;...
2Middle Englishabilitesuitability, aptitude, ability
3Old Frenchableté
4Latinhabilitāsability, aptitude, fitness
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
Every word from Ancient Greek κῆτος