obọ

• Cognate with Igala ọ́wọ́, Ayere ɔ́wɔ́, Akpes ɔbɔ, Àhàn ɔɔ, Yoruba ọwọ́, Urhobo obọ, Yekhee obọ, Idoma abọ́, Ebira uvọ́, Ukaan ùwọ́, Arigidi ɔ́wɔ́, Ehueun o-wɔ́. It is likely also related with Igbo ọbọ̀ (“palm of hand”), Oko-Eni-Osayen úbá, Ewe abɔ (“arm”), and Adja abɔ. It is equivalent to ò- +‎ bọ́.
• The root verb, which is inherited from Proto-Edoid *ɓɔ, is cognate with many proto-Volta-Niger-verbs, including Proto-Idomoid *-bwɔ, Proto-Yoruboid *ɓɔ́ (or Proto-Yoruboid *wɔ́, Proto-Igboid *bọ̀, Proto-Gbe *-bɔ́, and Proto Arigidi *wɔ́.
• The cognate term in Efik ubọk, Khana bá, and Tee bá, Benue–Congo languages, suggests a much wider existence of the term cross-linguistically.

• IPA^(key): /ò.bɔ́/

obọ

1. arm, hand
2. side, direction