смена

Noun

 * 1) shift (working hours)

Noun

 * 1) change, replacement
 * 2) shift
 * 3)  relief
 * 4) supersession
 * 5)  successors
 * 6)  (Soviet 35 mm film camera)

Etymology
Likely borrowed from in the early 20th century.

Noun

 * 1) shift (a set group of workers or period of working time)
 * 2) change, act of changing (of guard, generations etc.)