A primitive root (compare zalal); probably to shake out, i.e. (by implication) to scatter profusely; figuratively, to treat lightly -- lavish, despise.
see HEBREW zalal
H2107. zul
II. זוּל verb lavish (compare Aramaic זוּל, be cheap, of little value, lightly esteem; similarly זלל q. v.) —
Qal Participle מִכִּיס זָהָב הַזָּלִים Isaiah 46:6 ("" יִשְׁקֹ֑לוּ בַּקָּנֶה כֶּסֶף).