Probably a form of Topheth; Tophteh, a place of cremation -- Tophet.
see HEBREW Topheth
H8613. Tophteh
תָּפְתֶּה proper name, of a location (si vera lectio) id.; — as a place of burning, in figure of ׳יs judgement on Assyria Isaiah 30:33 (Klo Che Buhl Marti and others תֹּפֶת, joining ה to following as interrogative).
תָּקְהַת Qr, תוקהת Kt, see תִּקְוָה.
I, II, III. תִּקְוָה see [I. קוה]. תְּקוּמָה see קוּם.
[תְּקוֺמֵם], מֶיךָ-. [תְּקוּפָה] see קוף.