Brown-Driver-Briggs (BDB)
H7600
H7600 שַׁאֲנָן at ease , secure . at ease , secure . as subst., one at ease , free from misfortune . at ease , with collat. idea of careless , wanton , arrogant . as subst. abstr. = arrogance
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain