overload (v.)

1550s, "to place too great a burden on, load with too heavy a cargo," from over- + load (v.). Intransitive sense from 1961. Related: Overloaded; overloading. The noun is attested from 1640s, "an excessive load or burden;" of electrical current, from 1904. Middle English had overlade (v.) in this sense, hence overladen (adj.).