nightlong · adjective1
- Old English · inherited fromnihtlang“lasting through the night, night-long, a night in length”
- Middle English · inherited from*nihtlong
- English todaynightlong
From Middle English *nihtlong, from Old English nihtlang (“lasting through the night, night-long, a night in length”), equivalent to night + -long.
nightlong · adverb2
- Old English · inherited fromnihtlanges“for the night”
- Middle English · inherited fromnihtlonge
- English todaynightlong
From Middle English nihtlonge, nihtlonges, from Old English nihtlanges (“for the night”), equivalent to night + -long.
Etymology from Wiktionary, CC BY-SA 4.0.