Where does “daydawn” come from?

daydawn (English) comes from English Day, from Middle English day, from Old English dæġ, from Proto-West Germanic dag, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

Ancestry of “daydawn”, step by step

daydawn traces back through two separate lines of ancestry.

via English Day

StepLanguageWordMeaning
1EnglishDayderived from a medieval diminutive of David
2Middle Englishdayday; daylight, sunlight; epoch, age, period
3Old Englishdæġday, daytime
4Proto-West Germanicdagday
5Proto-Germanicdagazday; name of the D-rune
6Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via English Dawn

StepLanguageWordMeaning
1EnglishDawnsometimes given to a girl born at that time of day
2EnglishdawnTo begin to brighten with daylight; To start to...
Every word from Proto-Indo-European dʰegʷʰ-