תַּחְתִּי
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (Strong)
from תָּ֫חַת; lowermost; as noun (feminine plural) the depths (figuratively, a pit, the womb): low (parts, -er, -er parts, - est), nether (part).