English
larkish
From lark + -ish.
Formed from lark + -ish
Proto-Germanic *laiwazikǭ
Proto-West Germanic *laiwaʀikā
Old English lāwerce
Middle English larke ‘skylark’
English lark
Today it means
adj Joky; mischievously high-spirited.
Language periods are conventional ranges, not dates for this word.
Etymograph / larkish