meanly (adv.)

1580s, "poorly, in an indifferent manner or condition;" 1590s, "in a low or humble degree, in a low rank in life;" c. 1600, "sordidly," later "illiberally;" from mean (adj.1) in its various later senses + -ly (2). Middle English had menelich "humbly, poorly;" Old English gemænelice "commonly, generally."