FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

'iythay ee-thah'ee — (Aramaic) corresponding to 3426; properly, entity; used only as a particle of affirmation, there is:--art thou, can, do ye, have, it be, there is (are), X we will not.

see HEBREW for 03426