Nightly
/ˈnaɪtli/noun
Happening or done every night, or taking place during the night.
Did you know?Nightly comes from Old English nihtlic, formed from niht (“night”) + -lic (“-ly”), and its deep root is the same ancient source behind words like night and knight.
Etymological Timeline
Proto-Indo-European
PIE
*nókʷts
“night”
Old English
OE
nihtlic
“of the night; nightly”
Middle English
ME
nightli
“pertaining to night; occurring every night”
Modern English
English
nightly
“occurring or done each night”