Strong's #3727: horkos (pronounced hor'-kos)

from herkos (a fence; perhaps akin to 3725); a limit, i.e. (sacred) restraint (specially, an oath):--oath.

Thayer's Greek Lexicon:

̔́

horkos

1) that which has been pledged or promised with an oath

Part of Speech: noun masculine

Relation: from herkos (a fence, perhaps akin to G3725)

Citing in TDNT: 5:457, 729

Usage:

This word is used 10 times:

 

Matthew 5:33: "unto the Lord thine oaths:"
Matthew 14:7: "Whereupon he promised with an oath to give her whatsoever"
Matthew 14:9: "king was sorry: nevertheless for the oath's sake, and them which sat with him at meat,"
Matthew 26:72: "again he denied with an oath, I do not know the man."
Mark 6:26: "king was exceeding sorry; yet for his oath's sake, and for their sakes which sat with him, he would"
Luke 1:73: " The oath which he swore to our father Abraham,"
Acts 2:30: "that God had sworn with an oath to him, that of the fruit of his"
Hebrews 6:16: "the greater: and an oath for confirmation is to them an end"
Hebrews 6:17: "immutability of his counsel, confirmed it by an oath:"
James 5:12: "neither by any other oath: but let your yea be"