Strong's #3728: horkomosia (pronounced hor-ko-mos-ee'ah)

from a compound of 3727 and a derivative of 3660; asseveration on oath:--oath.

Thayer's Greek Lexicon:

̔́

horkōmosia

1) affirmation made on oath, the taking of an oath, an oath

Part of Speech: noun feminine

Relation: from a compound of G3727 and a derivative of G3660

Citing in TDNT: 5:463, 729

Usage:

This word is used 4 times:

 

Hebrews 7:20: "inasmuch as not without an oath"
Hebrews 7:21: "were made without an oath; but this with an oath"
Hebrews 7:21: "but this with an oath by him that said unto him,"
Hebrews 7:28: "the word of the oath, which was since the law,"