An example of euthenics is someone learning about effective nutrition.
Origin of euthenics; from Classical Greek euth?nein, to flourish (; from eu- (see eu-) + Indo-European base an unverified form gwhen-, to swell from source Persian ?ganiš, full) + -ics
plural noun(used with a sing. verb)
Origin of euthenicsFrom Greek euthenein, to flourish.