in-tĕpĕo, ŭi, 2, v. n.,
to be lukewarm : et lacus aestivis intepet Umber aquis, Prop. 4 (5), 1, 124: Lernaea palus, Stat. Th. 2, 377.
in-tepeō —, —, ēre, to be lukewarm: lacus, Pr. ...
An Elementary Latin Dictionary