köken: From Middle High German ūftrit (“height”); related to treten (“to step; to kick”). Cognate with Luxembourgish Optrëtt and Norwegian Bokmål opptrinn.
köken: From Old Welsh uceint, from Proto-Brythonic *ʉgėnt, from Proto-Celtic *wikantī, from Proto-Indo-European *h₁wih₁ḱm̥t, from *dwi(h₁)dḱm̥ti (“two-ten”). Compare Latin vīgintī; also Cornish ugens, Breton ugent, Old Irish fiche.
köken: From Old Irish fiche, from Proto-Celtic *wikantī (compare Welsh ugain), from Proto-Indo-European *h₁wih₁ḱm̥t (compare Latin vīgintī), from *dwi(h₁)dḱm̥ti (“two-ten”).
aile: fiche a ceathair, fiche a cúig, fiche a dó, fiche a haon, fiche a hocht, fiche a naoi, fiche a sé, fiche a seacht, fiche a trí
köken: Borrowed from Russian конце́рт (koncért), from Italian concerto.
aile: საკონცერტო
Etimoloji
Back-formation from keikkua; the word originally referred to a swaying or rocking object. It is uncertain how the modern meaning developed, but the similar sounding English gig may have had an influence.