An Etymological Dictionary of Astronomy and Astrophysics
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The study of the relationship between people and their working environment, in particular its effect on a person's efficiency. Ergonomics is applied in designing equipment and office systems to maximize productivity by reducing discomfort and fatigue of people in their workplace.

From Gk. ergon "work," → erg, + -nomics, → -nomy, → -ics.

Varzdâtik, from varz "work, " cognate with Gk. ergon, → erg, + dâtik "law, rule," → -nomy.