FROM STRONG’S HEBREW DICTIONARY (1890)

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

'ow o — presumed to be the "constructive" or genitival form of -av {av}; short for 185; desire (and so probably in Prov. 31:4); hence (by way of alternative) or, also if:--also, and, either, if, at the least, X nor, or, otherwise, then, whether.

see HEBREW for 0185