My Suggestions

kwĩnogia

n. · class 15

  1. toiling, exerting oneself. The act of wearing oneself out through effort; laboring strenuously or troubling oneself with difficult work.

Example: class="ChapterContent_verse__57FIw"> 4 Tiga kwĩnogia na kwenda gwĩtongia; <span (PRO 23:4) — Do not wear yourself out to gain wealth,