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nervio m. (Noun) "nerve"
13th cent. Borrowed from Medieval Latin nervium 'id.,' from Latin nervus of the same meaning. From Proto-Italic *nēuro- "nerve," "sinew." From Proto-Indo-European *snéh1- 'id.'
Indo-European
Romance
Asturian nerviu, Portuguese nervo, Galician nervio, Catalan nervi, French nerf, Italian nervo
Hellenic
Ancient Greek νεῦρον (neûron) "sinew"
Armenian
Armenian neard "sinew"
Indo-Iranian
Sanskrit snā́van "sinew," Young Avestan snāuuarə "sinews"
Tocharian
B ṣñaura "sinews"