mid-14c., ministracioun, "the action of ministering or serving, the rendering of personal service or aid," from Old French ministration or directly from Latin ministrationem (nominative ministratio), noun of action from past-participle stem of ministrare "to serve, attend, wait upon," from minister "inferior, servant, priest's assistant" (see minister (n.)).
Proto-Indo-European root meaning "small."
It forms all or part of: administer; administration; comminute; diminish; meiosis; Menshevik; menu; metier; mince; minestrone; minim; minimum; minister; ministration; ministry; minor; minuend; minuet; minus; minuscule; minute; minutia; Miocene; mis- (2); mite (n.2) "little bit;" mystery (n.2) "handicraft, trade, art;" nimiety.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit miyate "diminishes, declines;" Greek meion "less, smaller;" Latin minus, minor "smaller," minuere "to diminish, reduce, lessen;" Old English minsian "to diminish;" Russian men'she "less."
c. 1200, clergie "office or dignity of a clergyman," from two Old French words: 1. clergié "clerics, learned men," from Medieval Latin clericatus, from Late Latin clericus (see clerk (n.)); 2. clergie "learning, knowledge, erudition," from clerc, also from Late Latin clericus.
Meaning "persons ordained for religious work, persons consecrated to the duties of public ministration in the Christian church" is from c. 1300. Benefit of clergy (1510s) is the exemption of ecclesiastics from certain criminal processes before secular judges; in England it was first recognized 1274, modified over time, and abolished in 1827.
The ability to read, being originally merely the test of the 'clergy', or clerical position, of the accused, came at length to be in itself the ground of the privilege, so that the phrase became = 'benefit of scholarship' [OED]
1550s, Liturgy, "the service of the Holy Eucharist," from French liturgie (16c.) or directly from Late Latin/Medieval Latin liturgia "public service, public worship," from Greek leitourgia "a liturgy; public duty, ministration, ministry," from leitourgos "one who performs a public ceremony or service, public servant," from leito- "public" (from laos "people;" compare leiton "public hall," leite "priestess;" see lay (adj.)) + -ourgos "that works," from ergon "work" (from PIE root *werg- "to do"). Meaning "collective formulas for the conduct of divine service in Christian churches" is from 1590s. Related: Liturgist; liturgics.
In ancient Greece, particularly at Athens, a form of personal service to the state which citizens possessing property to a certain amount were bound, when called upon, to perform at their own cost. These liturgies were ordinary, including the presentation of dramatic performances, musical and poetic contests, etc., the celebration of some festivals, and other public functions entailing expense upon the incumbent; or extraordinary, as the fitting out of a trireme In case of war. [Century Dictionary]