Brown-Driver-Briggs (BDB)
H3254
H3254 יָסַף add . add . . join (intr.), join oneself to . be joined , added to . . add . . sq. inf. add to do = do again or more . sq. Impf. . sq. Impf. asynd.
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain