The Collaborative International Dictionary
Tepefying
Tepefy \Tep"e*fy\, v. t. & i. [imp. & p. p. Tepefied; p. pr. &
vb. n. Tepefying.] [L. tepere to be tepid + -fy; cf. L.
tepefacere. See Tepid.]
To make or become tepid, or moderately warm.
--Goldsmith.
Wiktionary
tepefying
vb. (present participle of tepefy English)