cross-train

[ kraws-treyn, kros- ]
/ ˈkrɔsˈtreɪn, ˈkrɒs- /

verb (used with object)

to train (a worker, athlete, etc.) to be proficient at different, usually related, skills, tasks, jobs, etc.

verb (used without object)

(of an athlete) to train in more than one sport.
to learn different, usually related, tasks, skills, jobs, etc.

Origin of cross-train

First recorded in 1980–85

British Dictionary definitions for cross training

cross training

noun

training in two or more sports to improve performance, esp on one's main sport