nightlong
English
Etymology 1
From Middle English *nihtlong, from Old English nihtlang (“lasting through the night, night-long, a night in length”), equivalent to night + long.
Adjective
nightlong (not comparable)
- Lasting a night (i.e. the duration of one night); lasting all night.
Etymology 2
From Middle English nihtlonge, nihtlonges, from Old English nihtlanges (“for the night”), equivalent to night + long.
Adverb
nightlong (not comparable)
- Through the night.