Strong's #2466: Isachar (pronounced ee-sakh-ar')
 of Hebrew origin (3485); Isachar (i.e. Jissaskar), a son of Jacob (figuratively, his descendant):--Issachar.
Thayer's Greek Lexicon:
 ̓́ 
 
  Isachar 
 
 Issachar = "reward" 
 1) the ninth son of Jacob and the fifth of Leah
 
  Part of Speech: noun proper masculine
Relation: of Hebrew origin H3485
 
Usage:
This word is used 1 times:
Revelation 7:7: "thousand. Of the tribe  of Issachar were sealed twelve thousand."