larksome (English) comes from English lark, from Middle English larke, from Old English lāwerce, from Proto-West Germanic *laiwaʀikā, from Proto-Germanic laiwazikǭ, from Proto-Germanic laiwaz — lark.
larksome (English): Characterised or marked by larks (i.e. pranks); playful
Definitions
Characterised or marked by larks (i.e. pranks); playful
Ancestry of “larksome”, step by step
larksome traces back through two separate lines of ancestry.