Lexical Definition

‎אִלּוּ‎ ʼillûw (il-loo') except ^H:Cond
probably from ‎אַל‎

but if, yea though.

• nay, i.e. (softened) if

1) if, though (contrary to fact)

Brown-Driver-Briggs

‎אִלּוּ‎ conjunction (often in Mishnah; Aramaic ‎אִילּוּ‎, , from ‎אִין‎, , and ‎לוּ‎) if, though, only in late Hebrew, Eccl 6:6; Esth 7:4.

Brown-Driver-Briggs References