Middle English word rewely comes from Old English -līc, Old English hrēow, Old English hreow (Grief. Repentance.)

Detailed word origin of rewely

Dictionary entry	Language	Definition
-līc	Old English (ang)
hrēow	Old English (ang)
hreow	Old English (ang)	Grief. Repentance.
hrēowlīċ	Old English (ang)
hreowlic	Old English (ang)	Grievous, pitiful, sad, wretched, cruel, lamentable, hapless, miserable.
rewly	Middle English (enm)

Words with the same origin as rewely