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muerto (2) (Noun) "dead person"
10th cent. From Latin mortuus 'id.' Old Latin mortuos. From Proto-Italic *mortwo- 'id.' From Proto-Indo-European *mr̥-t-u̯o 'id.,' but the original form was likely *mr̥-to- 'id.
Indo-European
Italic
Venetic murtuvoi "to the dead"