Strong's #5102: nahar (pronounced naw-har')
 a primitive root; to sparkle, i.e. (figuratively) be cheerful; hence (from the sheen of a running stream) to flow, i.e. (figuratively) assemble:--flow (together), be lightened.
Brown-Driver-Briggs Hebrew Lexicon:
 
  nâhar 
 
 1) to shine, beam, light, burn
 
 1a) (Qal) to beam, be radiant
 
 2) to flow, stream
 
 2a) (Qal) to flow, stream
 
  Part of Speech: verb
Relation: a primitive root
  Same Word by TWOT Number:  1316, 1315
Usage:
This word is used 6 times:
Psalms 34:5: "They looked unto  him, and were lightened: and their faces were not ashamed."
Isaiah 2:2: "above the hills; and all nations  shall flow unto"
Isaiah 60:5: "Then thou shalt see,  and flow together, and thine heart shall fear, and be enlarged; because the abundance"
Jeremiah 31:12: "and sing in the height of Zion,  and shall flow together to the goodness of the LORD, for"
Jeremiah 51:44: "out of his mouth that which he hath swallowed up: and the nations shall not  flow together any more unto"
Micah 4:1: "shall be exalted above the hills; and people  shall flow unto"