спутник

Noun

 * 1)   satellite, moon
 * 2)  a fellow traveller; companion
 * 3) sputnik artificial satellite
 * 1) sputnik artificial satellite

Etymology
From, from + agent suffix.

Noun

 * 1)  a fellow traveller; companion

Noun

 * 1)   satellite, moon
 * 2)  an artificial satellite of a planet or moon, sputnik
 * 1)  an artificial satellite of a planet or moon, sputnik