ubo- prefix /ū.bō/
Definitions
  1. place of morpheme
    ùjókòó (“seat”) → ubùjókòó (“a place to sit/settle”)
    ùjẹrun (“eating”) → ubùjẹrun (“cafeteria”)
    ùsù (“sleep”) → ubùsù (“bed”)
Source: Wiktionary, where this word is spelled “ubo”. Reference: en-ubo-yo-prefix-LqMTUbZI