the.com/municipality

means A city, town, or district that has its own local government with the legal power to manage its own affairs.

from Traces back to Latin 'municipium,' a term for a town in the Roman world whose citizens had Roman rights but ran their own local affairs — built from 'munia' (civic duties or services) and 'capere' (to take on). So at its root, a municipality is literally a place that 'takes on' its own civic duties — self-governance baked into the word from the start.