Proto-IE: *kōp-
Meaning: hollow (of the hand); measure; quantity
Old Greek: kṓpǟ 'handle of an oar' (Hsch.); 'the oar itself; handle of a sword, hilt; handle of a key; handle or spoke by which a mill is turned; haft of a whip; pl. s pars or bars used in building-operations' LS 1019
Latin: cōpis/cōps `copiōsus', cōpia f. `Vorrat, Fülle, Menge, Vermögen, Fähigkeut'
Russ. meaning: горсть; мерка; количество
References: WP I 175 f
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