English
frightly
From fright + -ly.
A compound of fright + -ly
Proto-Indo-European *pr̥k- ‘to fear’
Proto-Germanic *furhtį̄ ‘fear’
Old English fryhtu
Middle English fright ‘a fright or scare’
English fright
Today it means
adj Frightful; dreadful.
Language periods are conventional ranges, not dates for this word.
Etymograph / frightly