Gird
verb (used with object), girded or girt, girding.
1. to encircle or bind with a belt or band.
2. to surround; enclose; hem in.
3. to prepare (oneself) for action:
"He girded himself for the trial ahead."
4. to provide, equip, or invest, as with power or strength.
Synonyms:
3. brace, steel, fortify, strengthen.