Etymology
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commission (v.)

1660s, "empower or authorize by commission," from commission (n.). In the naval sense, of persons, "be given the rank of an officer (by commission from authority)," from 1793; of a ship, "to be transferred from the naval yard and placed in the command of the officer put in charge of it," 1796. Related: Commissioned; commissioning.

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population (n.)

1610s, "whole number of inhabitants in a country, state, county, town, etc," from Late Latin populationem (nominative populatio) "a people; a multitude," as if from Latin populus "a people" (see people (n.)). From 1776 as "act or process of peopling" (a country, etc.). Population explosion "rapid or sudden increase in the size of a population" is attested by 1953.

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commission (n.)
Origin and meaning of commission

mid-14c., "authority entrusted to someone, delegated authority or power," from Old French commission and directly from Latin commissionem (nominative commissio) "act of committing," in Medieval Latin "delegation of business," noun of action from past participle stem of committere "to unite, connect, combine; to bring together," from com "with, together" (see com-) + mittere "to release, let go; send, throw" (see mission).

Meaning "document delegating authority" is from early 15c.; meaning "body of persons charged with authority for the performance of certain special duties" is from late 15c. Sense of "anything entrusted to anyone to perform" is from 1560s; sense of "act of committing or doing" is from 1590s.

Naval sense "period of active service of a warship" is by 1882 (in commission "under the command of an officer" is from 1733). Hence out of commission "laid up in a navy yard or in reserve" (1878), subsequently extended to other machinery, and, figuratively, to persons or human qualities by 1917.

In commercial use, "authority delegated by another for the purchase and sale of goods," 1620s. Meaning "allowance made or percentage given to an agent for transacting business" is from 1725.

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FCC 
U.S. Federal Communications Commission, formed 1934 from the former Federal Radio Commission.
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overpopulation (n.)

also over-population, "excess of population," 1807, from over- + population. Malthus (1798) had over-populousness.

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commissioner (n.)

early 15c., "one appointed to perform some business by a commission from a proper authority," from Anglo-French commissionaire, from or on the model of Medieval Latin commissionarius "one entrusted with a commission," from commissionem "act of committing," in Medieval Latin "delegation of business" (see commission (n.)).

Meaning "member of a commission" is from 1530s, especially "person elected to manage the affairs of a municipality." Short form commish is attested by 1910 (earlier it was short for commission).

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recommission (v.)

also re-commission, "commission a second time," 1781, in reference to British Navy ships, later of officers, from re- "back, again" + commission (v.). Related: Recommissioned; recommissioning.

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non-commissioned (adj.)

of officers in the army, "not having a commission," 1703; see non- + commission (v.).

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Interpol 
1952, contraction of international police (in full, The International Criminal Police Commission), founded 1923 with headquarters in Paris.
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ablegation (n.)
Origin and meaning of ablegation

"act of sending abroad or away," 1610s, from Latin ablegationem (nominative ablegatio) "a sending off or away," noun of action from past-participle stem of ablegare "send away on a commission," from ab "off, away from" (see ab-) + legare "send with a commission, send as an ambassador" (see legate).

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