Patronymically from Zerach; a Zarchite or descendant of Zerach -- Zarchite.
see HEBREW Zerach
H2227. Zarchi
זַרְחִי adjective, of a people always with article as substantive collective ׳הַזּ:
1 from זֶרַח 1: — Joshua 7:17 (twice in verse) (JE), Numbers 26:20 (P), compare ׳לַזּ 1 Chronicles 27:11, 13.
2 from זֶרַח 4: — Numbers 26:13.