9 letters · 18 points in Scrabble
noun the science concerned with the prevention of illness and maintenance of health
originEtymology tree English hygiene Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic Middle English -es English -s English -ics English hygienics From hygiene + -ics.
Etymology from Wiktionary, CC BY-SA 3.0