Why was tomahawk beckwourth called tomahawk?

Tomahawk Beckwourth, born James Beckwourth, earned his nickname due to his exceptional skills as a fur trapper and mountain man, where he often used a tomahawk as both a tool and a weapon. His prowess in handling the tomahawk in various situations, including hunting and combat, made the nickname fitting. Additionally, the name reflects the rugged lifestyle and environment of the American frontier during the 19th century.