Gr. πολυχροος polukhroos  variegated  < πολυς polus  much; χροα khroa, χροας khroas  appearance  < χρως khrōs, χρωτος khrōtos  complexion; -πτερος -pteros  -winged  < πτερον pteron  wing.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 19 May 2019).