According to some sources
According to some sources, the original name of this daughter of Icarius and the Naiad Periboea was Arnaea or Arnacia, but she won a new name when a flock of purple-striped ducks saved her from drowning. Her husband won her hand with the help of Tyndareus, who owed him for formulating the oath sworn by Helen's suitors. Her servant Eurycleia recognized her disguised husband by a scar on his thigh, but she did not know of his return until he strung his bow and shot an arrow through twelve axe-rings. For three years, she claimed to be working on a shroud for her father-in-law Laertes, buying time against the demands of her many suitors. FTP, name this mother of Telemachus, the wife of Odysseus.
According to some sources, the original name of this daughter of Icarius and the Naiad Periboea was Arnaea or Arnacia, but she won a new name when a flock of purple-striped ducks saved her from drowning.
Penelope (accept Arnaea or Arnacia before mention in the question)