for the goddess Pallas Athena, Zeus’s daughter,
showered mist over all, so under cover
she might change his appearance head to foot
as she told him every peril he’d meet at home.
– Homer
The Odyssey, Book 13, lines 215-218. As Odysseus wakes up from his sleep on Ithaca, Athena spreads her magic mist around his island home. This is to protect Odysseus. She wants to alter his appearance to protect him from the dangers he will meet at home.