adjective/ˈmaxo/
kind, friendly, likeable, nice, pretty; good-looking, handsome; said of a person, neither ugly nor very pretty. Sometimes a euphemism for not calling someone "ugly".
“Ese chico es muy majo, siempre me ayuda.” — That guy is very nice, he always helps me.
Uncertain. Possibly from the same Romani root as masher (etymology 2).