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malo (Adjective) "bad," "evil"
10th cent. From Latin malus 'id.' From Proto-Italic *malo- 'id.' From Proto-Indo-European *mol-o- 'id.'
Mal is an apocopic form of malo ocurring before masculine singular nouns.
Indo-European
Romance
Asturian malu, Portuguese mau, Catalan mal, French mal, Italian malo, Sardinian malu
Italic
Oscan mallom "evil"
Celtic
Old Irish mell "destruction," Old Breton milin "prostitute"
Balto-Slavic
Lithuanian mẽlas "lie," Latvian màlds "mistake"
Hellenic
Ancient Greek μέλεος (méleos) "idle"
Armenian
Armenian meɫ "sin"