“Ἕως“ (η)· Attic type Ionikos ηώς· dawn, daybreak, daylight II particular morning as a time of the day, often esimainen day II sometimes east II as the foremost name Ηώς, Aurora· the goddess of dawn or dawn, it is rebels from the Ocean, from the bed of her husband Tithonou
(Henry G. Liddell – Rober Scott, Μέγα Λεξικόν της Ελληνικής Γλώσσης)