Probably from an unused root meaning to dissever; breach; Telach, an Israelite -- Telah.
H8520. Telach
תֶּ֫לַח proper name, masculine in Ephraim; — 1 Chronicles 7:25; Θαλε(ες), Θαλα.
I. תלל (apparently √ of following; Late Hebrew תֵּל heap, תְּלוֺלִית hill; ᵑ7J תָּלִיל lofty; Arabic , Syriac mound; = (perhaps) Old Aramaic תלי CISii. No. 111 Lzb386 SAC120; Jen in BrockSyr.Lex. thinks תֵּל Assyrian loan-word from tîlu, ruin-heep, mound).