David Given Schwarm

hygiene /ˈhʌɪdʒiːn /
▸ noun [mass noun] conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness: poor standards of food hygiene personal hygiene.

– ORIGIN late 16th century: via French from modern Latin hygieina, from Greek hugieinē (tekhnē) ‘(art) of health’, from hugiēs ‘healthy’.