8478  tachath  takh'-ath

 from the same as 8430; the 
bottom (as depressed); only 
adverbially, below (often 
with prepositional prefix 
underneath), in lieu of, 
etc.:--as, beneath, X flat, 
in(-stead), (same) place 
(where...is), room, 
for...sake, stead of, under, 
X unto, X when...was mine, 
whereas, (where-)fore, with.

 see HEBREW for 08430