Where does “Day-Glo” come from?

Day-Glo (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.

Day-Glo (English): Very bright and luminous in colour

Definitions

  1. Very bright and luminous in colour

Ancestry of “Day-Glo”, step by step

Day-Glo 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 glow

StepLanguageWordMeaning
1EnglishglowTo give off light from heat or to emit light as...
2Middle Englishglouen—
3Old Englishglōwanto glow
4Proto-Germanicglōanąto glow
5Proto-Indo-European*ǵʰleh₁-to shine, glow

Words derived from “Day-Glo”

Every word from Proto-Indo-European dʰegʷʰ- →Every word from Proto-Germanic dagaz →Every word from Proto-West Germanic dag →