πενθερὰ πενθερὰν πενθερᾶς
Feminine of pentheros; a wife's mother -- mother in law, wife's mother.
see GREEK pentheros
πενθερὰ (penthera) − 3 Occurrences
πενθερὰν (pentheran) − 2 Occurrences
πενθερᾶς (pentheras) − 1 Occurrence