Brown-Driver-Briggs (BDB)
H7925
H7925 שָׁכַם vb . Hiph . denom . start , rise , early
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H7925 · Hebrew
shakam
shaw-kam'
a primitive root; properly, to incline (the shoulder to a burden); but used only as denominative from 7926; literally, to load up (on the back of man or beast), i.e. to start early in the morning