Strong's #1126: Ben-'Owniy (pronounced ben-o-nee')
from 1121 and 205; son of my sorrow; Ben-Oni, the original name of Benjamin:--Ben-oni.
Brown-Driver-Briggs Hebrew Lexicon:
ּ־
beṅ'ônı̂y
Ben-oni = "son of my sorrow"
1) the name given to Benjamin by Rachel
Part of Speech: noun proper masculine
Relation: from H1121 and H205
Usage:
This word is used 1 times:
Genesis 35:18: "she died) that she called his name Ben-oni: but his father called him Benjamin."