Mechanics
来自Big Physics
late Middle English (as an adjective in the sense ‘relating to manual labour’): via Old French or Latin from Greek mēkhanikos, from mēkhanē (see machine).
wiktionary
From Latin mechanicus, from Ancient Greek μηχανικός(mēkhanikós), from μηχανή(mēkhanḗ, “machine, tool”)
mechanics
etymonline
mechanics (n.)
"the theory of machines," also, "the mathematical doctrine of the motions of particles and systems (especially rigid bodies) under the influence of force and constraints," 1640s, based on Late Latin mechanica, from Greek mekhanike, mekhanika (see mechanic (adj.)); also see -ics.