daylong

English

Etymology tree

Proto-Indo-European *dʰegʷʰ-?

Proto-Germanic *dagaz

Proto-West Germanic *dag

Old English dæġ

Middle English day

English day

English -long

English daylong

From day + -long.

daylong (not comparable)

Which lasts a day, or approximately so.
Coordinate term: dayslong
- 2014 October 31, David W. Lloyd, “Deep in Vietnam, Exploring a Colossal Cave”, in The New York Times‎^[1]:
  The Hang En tour involves a difficult daylong trek over limestone mountain paths and along riverbeds to the remote indigenous village of Ban Doong.

daylong (not comparable)

Throughout the day.
- 1988, Takēs Papatsōnēs, (Please provide the book title or journal name):
  I feel myself to be a man disgraced, walking nightlong and daylong beyond the Paling of a Garden lush with fountains and flowers, waiting In vain for the....
- 1986, J. R. Salamanca, (Please provide the book title or journal name):
  ...silent house with its bare rooms and bone-white walls on which the southern windows cast slanted plaques of light that slide, daylong, towards the...