From an unused root meaning to depress; abasement; Tochu, an Israelite -- Tohu.
H8460. techoth
תְּחוֺת preposition under (Biblical Hebrew תַּחַתּ; תְּחוֺת ᵑ7, Syriac , , adverb ; Palmyrene לתחת מן Cooke320); — Daniel 7:27 כָּלשְֿׁמַיָּא תְּחוֺת (compare Biblical Hebrew II. 1); in plural with suffix (as Biblical Hebrew, Syriac, ᵑ7) 4:9 תְּחֹתֹהִי (so ᵑ7Onk Leviticus 15:10: Dalm§ 47, 2), 15:18. With מִן, Jeremiah 10:11 שְׁמַיָּא תְּחוֺת מִן (compare Biblical Hebrew III. 2); suffix Daniel 4:11 מִןתַּֿחְתּוֺהִי (the form as Syriac adverb above, unless a Hebraizing punct.).