Daylight
wiktionary
From Middle English daye-lighte, dey liȝht, dailiȝt, day-liht, dai-liht (also as days lyȝt, daies liht), equivalent to day + light. Cognate with Saterland Frisian Deegeslucht, Daisljoacht(“daylight”), West Frisian deiljocht(“daylight”), Dutch daglicht(“daylight”), German Tageslicht(“daylight”).
etymonline
daylight (n.)
c. 1300 (as two words from mid-12c., daies liht), "the light of day," from day + light (n.); its figurative sense of "clearly visible open space between two things" (1820) has been used in references to boats in a race, U.S. football running backs avoiding opposing tackles, a rider and a saddle, and the rim of a glass and the surface of the liquor. The (living) daylights that you beat or scare out of someone were originally slang for "the eyes" (1752), extended figuratively to the vital senses. Daylight-saving is attested by 1908.
