Proto-IE: *mūs-
Meaning: muscle
Armenian: mukn `Muskel'
Old Greek: mǖ̂s, gen. müós m. `Muskel', müóō 'make muscular' (late sources); {müó-n muskelreiche Gegend des Leibes - not found!}, ámüo- `ohne Muskel', müṓn, -ō̂nos m. `Muskelballen, -knoten'
Slavic: *mɨ̄́šьkā, *mɨ̄́šьcā
Latin: mūsculus, -ī m. `Muskel'
Russ. meaning: мышца
References: WP II 312 f
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