Strong's #4269: progonos (pronounced prog'-on-os)
from 4266; an ancestor, (grand-)parent:--forefather, parent.
Thayer's Greek Lexicon:
́
progonos
1) born before, older
1a) of ancestors
1b) of a mother
1c) of grandparents
1d) of great-grand parents (if they are still alive)
Part of Speech: adjective
Relation: from G4266
Usage:
This word is used 2 times:
1 Timothy 5:4: "home, and to requite their parents: for that is"
2 Timothy 1:3: "God, whom I serve from my forefathers with pure conscience,"