Mechanism

google

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mid 17th century: from modern Latin mechanismus, from Greek mēkhanē (see machine).

wiktionary

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From Latin mechanismus, from Greek μηχανή(mēkhanḗ, “machine”)

etymonline

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mechanism (n.)

1660s, "the structure of a machine, engine, or other contrivance for controlling or utilizing natural forces," from Modern Latin mechanismus, from Greek mēkhanē "machine, instrument, device" (see machine (n.)). Sense of "a mechanical contrivance or agency of any kind" is from 1670s.