Brown-Driver-Briggs (BDB)
H2005
H2005 הֵן demonstr. adv . or interj . lo! , behold (on etym. v. הִנֵּה ), less widely used than הִנֵּה , and in prose mostly confined to calling attention to some fact upon which action is to be taken, or a conclusion based
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain