The story
From alderman + -ic (suffix meaning ‘of or pertaining to’ forming adjectives). Piecewise doublet of ealdormanic.
Etymology from Wiktionary, CC BY-SA 4.0.
aldermanic
ald·er·man·icToday it means: Of or pertaining to an alderman (“member of a municipal legislative body in a city or town”) or group of aldermen. Full definition →