Lexical Definition

‎תַּחְתִּי‎ tachtîy (takh-tee') lower ^H:A
from ‎תַּחַת‎

low (parts, -er, -er parts, -est), nether (part).

• lowermost
• as noun (feminine plural) the depths (figuratively, a pit, the womb)

1) low, lower, lowest
1a) lowest (as adj)
1b) the lower parts (subst)

See Greek: βάθος · θεμέλιος · κατώτερος · ταπεινός

Brown-Driver-Briggs

‎תַּחְתִּי‎ adjective and substantive lower, lowest (places): — feminine singular ‎תַּחָתִּיָּה‎ Ps 86:13, ‎תַּחְתִּית‎ Exod 19:17 +; masculine plural ‎תַּחְתִּיִּם‎ Gen 6:16 feminine plural ‎תַּחְתִיּוֺת‎ Ps 63:10* +; — Exod 19:17 ‎ויתיצבו בְּחַחְתִּית הָהָר‎ in the lower part of the mountain, Judg 1:15 = Josh 15:19 (so read here with ᵐ5^MSS ᵑ6 ᵑ7 ᵑ9 for ‎גֻּלֹּת תַּחְתִּיּוֺת‎) ‎אֵת גֻּלַּת תַּחְתִּית‎ the lower spring, Job 41:16* ‎כְּפֶּלַח תַּחְתִּית‎ like the lower mill-stone, Gen 6:16 (P) ‎תַּחְתִּיִּם‎ = lower stories; of Sh®°ôl, Deut 32:22 ‎עַד שְׁאוֺל תַּחְתַּית‎ to the lowest Sh®°ôl, Ps 86:13 ‎תַּחְתִּיָּה‎ ‎׳‎‎מִשְּׁ‎, so ‎אֶרֶץ תַּחְתִּית‎ thelowest earth (or land) i.e. Sh., Ezek 31:14; Ezek 31:16; Ezek 31:18, ‎אֶרֶץ תַּחְתִיּוֺת‎ the land of lowest places Ezek 26:20; Ezek 32:18; Ezek 32:24, ‎בּוֺר תַּחְתִיּוֺת‎ the pit of lowest places Lam 3:55; Ps 88:7*, ‎תֵּחְתִיּוֺת‎ ‎הָאָרֶץ‎ Ps 63:10* (+ perhaps Ps 71:20) the lowest places of the earth, ‎אֶרֶץ‎ ‎׳‎‎תּ‎ Isa 44:23, and figurative of the dark and hidden interior of the womb Ps 139:15. — Neh 4:7* ‎וָאַעֲמִיד מִתַּחְתִיּוֺת לַמָּקוֺם‎ and I set (ᵐ5^L and they stood) at parts below (‎מִן‎ as in ‎מִחַחַת לְ‎) the place (where they were to work), so Ke Gu, but text perhaps corrupt (Berthol Sgf).

Brown-Driver-Briggs References