Part of speech: Noun
the first light of day
Example: we got up before dawn; they talked until morning
Click, Break of day, Break of the day, Sunup, Dayspring
The word "dawning" comes from Middle English dawnynge. Many other languages have similar words:
daw#Etymology 2 – A related word in the same word family.
Many Middle English words had multiple spellings because standardization didn't exist yet.