Fragment 152

‘And in this way metaplasms of words [i.e., tenses or cases formed from non-existent presents or nominatives] arise, like ἐρυσάρματες [chariot-drawing], λῖτα [cloths], and in Sappho τὸ αὔα, Dawn.’

And the Etymologicum Magnum says:—

‘We find παρὰ τὴν αὔαν [during the morning] in Aeolic, for “during the day.”’