יַצִּיב (yaṣṣîb) is
an Aramaic adjective
meaning certain. It appears
5 times
in 1 book of the Hebrew Bible
(Strong's H3330).
Same Hebrew root (TWOT 2773a)
Root family 2773: יְצַבyĕṣab — make certain. Only used in Dan 7:19, in the Pael. The Hebrew yāṣab is probably cognate, but means more “to take a firm stand.” It is used only in the Hithpael