Morpheme
Thuse
Type
bound base
Denotation
fervor, inner inspiration, or animated feeling originally associated with divine possession or spirited essence
Etymology
Ancient Greek theós + ousíā
Evidence
enthuse, enthused, enthuser, enthuses, enthusiasm, enthusiast, enthusiastic, enthusiastically, enthusing, nonenthusiast, overenthusiasm, ultraenthusiasm, unenthusiastic