òṣìṣẹ́ noun /ò.ʃì.ʃɛ́/
Definitions
  1. worker; employee
Etymology
From ò- (“nominalizing prefix”) + ṣiṣẹ́ (“to work”)
Component words
ò-nominalizing prefixṣiṣẹ́to work
Source: Wiktionary, where this word is spelled “oṣiṣẹ”. Reference: en-oṣiṣẹ-yo-noun-GiFMq81I