King James Bible
King James Version (KJV)

Or tiythay {ee-thah'ee}; from 'eth; near; Ittai or Ithai, the name of a Gittite and of an Israelite -- Ithai, Ittai.
see HEBREW 'eth
H863. Ittay
אִתַּי proper name, masculine (perhaps from אֵת with = companionable) —
1 one of David's captains, a native of Gath 2 Samuel 15:19, 21, 22 (twice in verse); 18:2, 5, 12.
2 one of David's 30 mighty men, a Benjamite 2 Samuel 23:29 (in 1 Chronicles 11:31 אִתַי).