Apparently a patrial, but from an unknown place (in the plural only for a singular); a Machavite or inhabitant of some place named Machaveh -- Mahavite.
H4233. Machavim
מַחֲוִים apparently adjective, of a people, only הַמּ ׳אֱלִיאֵל 1 Chronicles 11:46, but read probably הַמַּחֲנִי (Be), see מַחֲנַיִם proper name, of a location sub; חנה; Öttli suggests also הַמְּעוֺנִי; ᵐ5 ὁ Μιει, A ὁ Μαωειν, ᵐ5L ὁ Μαωθε.