late 14c., "to aid," also "to hold up, prop up," from Old French supporter, from Latin supportare "convey, carry, bring up," from sub "up from under" + portare "to carry" (see port (n.1)). Related: Supported; supporting.
late 14c., "act of assistance, backing, help, aid," from support (v.). Meaning "one who provides assistance, protection, backing, etc." is early 15c. Sense of "bearing of expense" is mid-15c. Physical sense of "that which supports" is from 1560s. Meaning "services which enable something to fulfil its function and remain in operation" (e.g. tech support) is from 1953.
support sup·port (sə-pôrt')
v. sup·port·ed, sup·port·ing, sup·ports
To bear the weight of, especially from below.
To hold in position so as to keep from falling, sinking, or slipping.
To be capable of bearing; withstand.
To keep from weakening or failing; strengthen.
To provide for or maintain, by supplying with money or necessities.
To endure; tolerate.
The act of supporting.
The state of being supported.
One that supports or maintains.
Maintenance, as of a family, with the necessities of life.