emulation (n.) Look up emulation at Dictionary.com
1550s, from Middle French émulation (13c.) and directly from Latin aemulationem (nominative aemulatio), from past participle stem of aemulari "to rival, strive to excel," from aemulus "striving, rivaling" (also as a noun, "a rival," fem. aemula), from Proto-Italic *aimo-, from PIE *aim-olo, from root *aim- "copy" (see imitation).