English
frolicsome
From frolic + -some.
Formed from frolic + -some
Proto-Germanic *frawaz ‘happy, energetic’
Proto-Germanic *frawalīkaz ‘cheerful, merry’
Old Dutch frōlīk
Middle Dutch vrolijc
Dutch vrolijk ‘cheerful’
English frolic
Today it means
adj Characterised or marked by frolicking; playful.
Language periods are conventional ranges, not dates for this word.
Etymograph / frolicsome