Strong H2388H חָזַק châzaq · to strengthen: hold

Exodus

1. Exodus 4:4
   And the Lord said unto Moses, Put forth thine hand, and take it by the tail. And he put forth his hand, and caught it, and it became a rod in his hand:
2. Exodus 9:2
   For if thou refuse to let them go, and wilt hold them still,