Nightly
Origin
From Middle English *nightly, nyÈtly, nihtlich, from Old English nihtlÄ«c, nihtelÄ«c ("nocturnal, nightly, of the night, at night"), equivalent to night + -ly. Cognate with Scots nichtlie ("nightly"), West Frisian nachtlik ("nightly, nocturnal"), Dutch nachtelijk ("nightly, nocturnal"), German nächtlich ("nocturnal, nightly"), Danish natlig ("nightly"), Swedish nattlig ("nightly, nocturnal").
Full definition of nightly
Adjective
nightly
- Happening or appearing in the night; night-time; nocturnal.nightly dewsA cobweb spread above a blossom Is sufficient to protect It from nightly chill. — Tyndall.
- Performing, occurring, or taking place every night.''The dog demanded to go out for his nightly walk.
- Used in the night.
Adverb
nightly
- Every night.He checks his email nightly.