Where does “reciprocatable” come from?

reciprocatable (English) comes from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

reciprocatable (English): Able to move back and forth like a piston

Definitions

  1. Able to move back and forth like a piston

Ancestry of “reciprocatable”, step by step

reciprocatable traces back through two separate lines of ancestry.

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

via English reciprocate

StepLanguageWordMeaning
1EnglishreciprocateTo exchange two things, with both parties giving...
2Latinreciprocodative masculine singular of reciprocus; dative...
3Latinreque proqueback and forth, to and fro
4Latinpro+ "ablative"; for; on behalf of, in the interest...
5Proto-Indo-Europeanpro-toward, forward
6Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis