Strong's #3928: limmuwd (pronounced lim-mood')
 or limmud {lim-mood'}; from 3925; instructed: -accustomed, disciple, learned, taught, used.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ / ּּ 
  limmûd 
 
 1) taught, learned, discipled
 
 1a) taught
 1b) accustomed to (something)
 
  Part of Speech: adjective
Relation: from H3925
Usage:
This word is used 6 times:
Isaiah 8:16: "the testimony, seal the law  among my disciples."
Isaiah 50:4: "GOD hath given me the tongue  of the learned, that I should know how to speak a word in season to"
Isaiah 50:4: "by morning, he wakeneth mine ear to hear  as the learned."
Isaiah 54:13: "And all thy children  shall be taught of the LORD; shall be the peace of thy children."
Jeremiah 2:24: "A wild ass  used to the wilderness, that snuffeth up at her pleasure; in her occasion"
Jeremiah 13:23: "ye also do good,  that are accustomed to do evil."