Strong's #3995: pentheros (pronounced pen-ther-os')
of uncertain affinity; a wife's father:--father in law.
Thayer's Greek Lexicon:
́
pentheros
1) father-in-law, a wife' s father
Part of Speech: noun masculine
Relation: of uncertain affinity
Usage:
This word is used 1 times:
John 18:13: "Annas first; for he was father in law to Caiaphas, which was"