Strong's #189: 'Eviy (pronounced ev-ee')
 probably from 183; desirous; Evi, a Midianitish chief:--Evi.
Brown-Driver-Briggs Hebrew Lexicon:
 
  'ĕvı̂y 
 
 Evi = "my desire" 
 1) one of five chiefs of Midian
 
  Part of Speech: noun proper masculine
Relation: probably from H183
Usage:
This word is used 2 times:
Numbers 31:8: "beside the rest of them that were slain; namely,  Evi, and Rekem, and Zur, and Hur, and Reba,"
Joshua 13:21: "the princes of Midian,  Evi, and Rekem, and Zur, and Hur, and Reba,"