nightlong

adj, adv — 2 senses

nightlong

adj

Etymology From Middle English *nihtlong, from Old English nihtlang (“lasting through the night, night-long, a night in length”), equivalent to night + -long.

Lasting a night (i.e. the duration of one night); lasting all night.

nightlong

adv

Etymology From Middle English nihtlonge, nihtlonges, from Old English nihtlanges (“for the night”), equivalent to night + -long.

Through the night.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.