ut-√ tap (ud-√ tap) P. -tapati, to make warm or hot; to heat thoroughly, [Rājat.]; [Lāṭy.] &c.; to pain, torment, press hard, [Rājat.]; [Śiś.] &c.: Ā. -tapate, to shine forth, give out heat, [Pāṇ. i, 3, 27]; to warm one's self or a part of one's body, [Kāty.] on [Pāṇ. i, 3, 27] : Caus. -tāpayati, to warm up, heat, [MBh.]; to excite, urge on [Sāh.]