The story
- Middle English · inherited frommeneli
- English todaymeanly
From Middle English meneli, meneliche, equivalent to mean + -ly.
First known use, by meaning
- from 16th c. Humbly, of or from low social status; basely.
- from 16th c. Poorly or inadequately.
- from 17th c. In a mean manner; ill-willed, nastily.
Etymology from Wiktionary, CC BY-SA 4.0.