hard-wired (adj.)

Old English hearde "firmly, severely," from hard (adj.). Meaning "with effort or energy, with difficulty" is late 14c.

c. 1300, "adorn with (gold) wire," from wire (n.). From 1859 as "communicate by means of a telegraphic wire;" 1891 as "furnish with electrical wires and connections." Related: Wired; wiring.