שַׂגִּיא (śaggîʾ) is
an Aramaic adjective
meaning great. It appears
13 times
in 2 books of the Hebrew Bible
(Strong's H7690).
Also rendered
greatly
Same Hebrew root (TWOT 3004a)
Root family 3004: שְׂגָאśĕgāʾ — grow great. The verb is used also in Hebrew, but restricted to the book of Job. It may be an Aramaism there or a dialectical variant of ancient Hebrew