Sọ̀rọ̀ SókèThe People’s
Yorùbá Dictionary
ubùsù noun /ū.bù.sù/
Definitions
  1. place to sleep, bed
Etymology
From ubo (“place”) + ù- (“nominalizing prefix”) + sù (“to sleep”). Cognate with Yoruba ibùsùn
Component words
uboplaceù-nominalizing prefixsùto sleep
Source: Wiktionary, where this word is spelled “ubusu”. Reference: en-ubusu-yo-noun-QlB5HG5a