Cruelly derives from Middle English cruelly, formed from the adjective cruel and the Middle English adverbial suffix -ly, which descends from Old English -līċ, ultimately from Proto-Germanic -līkaz meaning "like" and Latin crudus meaning "raw."
cruelly (English): In a cruel manner
Definitions
In a cruel manner
Ancestry of “cruelly”, step by step
cruelly traces back through two separate lines of ancestry.