- Original: πενθερός - Transliteration: Pentheros - Phonetic: pen-ther-os' - Definition: 1. father-in-law, a wife's father - Origin: of uncertain affinity - TDNT entry: None - Part(s) of speech: Noun Masculine - Strong's: Of uncertain affinity; a wife's father: - father in law. Total KJV Occurrences: 1 • law, 1 Joh 18:13