Brown-Driver-Briggs (BDB)
H2388
H2388 חָזַק be or grow firm , strong , strengthen . . intrans. be or grow strong . transit. only strengthened him not . . make strong (physically) . strengthen the hands (acc.) of anyone, sustain , encourage . make strong = bold , encourage . make firm . make rigid , hard , i.e. perverse, obstinate, harden . . . make strong , strengthen . make firm , the kingdom . display strength . make severe , of battle . support . = repair . prevail . esp. take or keep hold of, seize , grasp . . strengthen oneself . put forth strength , use one's strength . withstand . hold strongly with
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain