חַי (ḥay) is
an Aramaic adjective
meaning living. It appears
7 times
in 2 books of the Hebrew Bible
(Strong's H2417).
Same Hebrew root (TWOT 2727a)
Root family 2727: חֲיָאḥăyāʾ — to live. Used similarly to Hebrew. However, the courtly phrase in the imperative, “O King live forever,” used five times in Dan, is not quite the same as the Hebrew jussive