Meaning

noun a warmness resembling the temperature of the skin

noun lack of passion, force or animation

originEtymology tree Latin tepidusbor. English tepid Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English tepidness From tepid + -ness.

Etymology from Wiktionary, CC BY-SA 3.0