1928 (n.) "tough guy," from Spanish macho "male animal," noun use of adjective meaning "masculine, virile," from Latin masculus (see masculine). As an adjective, "ostensibly manly and virile," attested in English by 1959 (Norman Mailer).
machine-made
machinery
machine-shop
machinist
machismo
macho
machree
Machu Picchu
-machy
Mack
Mackenzie
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