Probably a variation of opher; gazelle; Epher, the name of an Arabian and of two Israelites -- Epher.
see HEBREW opher
H6081. Epher
עֵ֫פֶר proper name, masculine Αφερ, etc.; —
1 'son' of Midian Genesis 25:4; 1 Chronicles 1:33 (ᵐ5L Γοφερ).
2 in Judah 1 Chronicles 4:17 (Α Γαφερ).
3 in Manasseh 1 Chronicles 5:24.
עַפְרָה see לְע ׳בֵּית p.112 above