Strong's #853: 'eth (pronounced ayth)
 apparent contracted from 226 in the demonstrative sense of entity; properly, self (but generally used to point out more definitely the object of a verb or preposition, even or namely):--(as such unrepresented in English).
Brown-Driver-Briggs Hebrew Lexicon:
 
  'êth 
 
 1) sign of the definite direct object, not translated in English but generally preceding and indicating the accusative
 
  Part of Speech: untranslated particle
Relation: apparent contracted from H226 in the demonstrative sense of entity
Usage:
This word is used 7302 times:
2 Samuel 13:28: "and when I say unto you, Smite   Amnon; then kill him, fear not:"
2 Samuel 13:30: "saying, Absalom hath slain   all the king's sons, and there is not"
2 Samuel 13:31: "Then the king arose, and tore   his garments, and lay on the earth; and all"
2 Samuel 13:32: "my lord suppose that they have slain   all the young men the king's sons;"
2 Samuel 13:32: "determined from the day that he forced   his sister Tamar."
2 Samuel 13:34: "And the young man lifted up   his eyes, and looked, and, behold, there came"
2 Samuel 14:3: "unto him. So Joab put   the words in her mouth."
2 Samuel 14:6: "to part them, but the one smote   the other, and slew"
2 Samuel 14:7: "thine handmaid, and they said, Deliver   him that smote his brother, that we may kill him, for the life"
2 Samuel 14:7: "whom he slew; and we will destroy   the heir also: and so they shall quench"
2 Samuel 14:7: "the heir also: and so they shall quench   my coal which is left, and shall not"
2 Samuel 14:11: "she, I pray thee, let the king   the LORD thy God, that thou wouldest not suffer the revengers"
2 Samuel 14:11: "to destroy any more, lest they destroy   my son. And he said, As the LORD liveth,"
2 Samuel 14:13: "as one which is faulty, in that the king doth not fetch home again   his banished."
2 Samuel 14:15: "therefore that I am come  of  this thing unto my lord"
2 Samuel 14:15: "it may be that the king will perform   the request of his handmaid."
2 Samuel 14:16: "the king will hear,   his handmaid out of the hand of the man"
2 Samuel 14:19: "Joab, he bade me, and he put   all these"
2 Samuel 14:20: "To fetch about   of speech hath thy servant Joab done"
2 Samuel 14:20: "hath thy servant Joab done   this thing: and my lord is wise,"
2 Samuel 14:20: "of an angel of God, to know   all things that are in the earth."
2 Samuel 14:21: "Behold now, I have done   this thing: go therefore, bring"
2 Samuel 14:21: "thing: go therefore, bring   the young man Absalom"
2 Samuel 14:22: "his face, and bowed himself, and thanked   the king: and Joab said, Today"
2 Samuel 14:22: "in that the king hath fulfilled   the request of his servant."
2 Samuel 14:23: "and went and brought   Absalom to Jerusalem."
2 Samuel 14:26: "And when he polled   his head, at every year's end"
2 Samuel 14:26: "he polled it: because the hair was heavy on him, therefore he polled it:) he weighed   the hair"
2 Samuel 14:30: "And Absalom's servants set   the field on fire."
2 Samuel 14:31: "him, Wherefore have thy servants set   my field on fire?"
2 Samuel 15:5: "came nigh he put forth   his hand, and took him, and kissed"
2 Samuel 15:6: "for judgment: so Absalom stole   the hearts of the men of Israel."
2 Samuel 15:7: "the king, I pray thee, let me go and pay   my vow, which I have vowed"
2 Samuel 15:8: "shall bring me again indeed to Jerusalem, then I will serve   the LORD."
2 Samuel 15:10: "of Israel, saying, As soon as ye hear   the sound of the trumpet, then ye shall say, Absalom"
2 Samuel 15:12: "And Absalom sent  for  the Gilonite, David's counselor, from his city,"
2 Samuel 15:12: "from his city, even from Giloh, while he offered   sacrifices. And the conspiracy was"
2 Samuel 15:14: "lest he overtake us suddenly, and bring   evil upon us, and smite"
2 Samuel 15:16: "after him. And the king left   ten women, which were concubines, to keep"
2 Samuel 15:20: "I may, return thou, and take back   thy brethren: mercy and truth"
2 Samuel 15:21: "And Ittai answered   and said, As the LORD liveth, and as my lord"
2 Samuel 15:23: "passed over, toward the way  of  the wilderness."
2 Samuel 15:24: "the Levites were with him, bearing   the ark of the covenant of God: and they set down"
2 Samuel 15:24: "of the covenant of God: and they set down   the ark of God; and Abiathar went up,"
2 Samuel 15:25: "said unto Zadok,   the ark of God into the city: if"
2 Samuel 15:29: "Zadok therefore and Abiathar carried   the ark of God again to Jerusalem: and they tarried"
2 Samuel 15:31: "said, O LORD, I pray thee,  turn  the counsel of Ahithophel into foolishness."
2 Samuel 15:34: "so will I now also be thy servant: then mayest thou for me defeat   the counsel of Ahithophel."
2 Samuel 16:3: "shall the house of Israel restore  me  the kingdom of my father."
2 Samuel 16:6: "And he cast stones  at  and at all the servants of king David:"