housing (n.1)

"buildings, lodgings," early 14c., husing, from house (n.).

"ornamental covering," c. 1300, houce "covering for the back and flanks of a horse," from Old French houce "mantle, horse-blanket" (Modern French housse), from Medieval Latin hultia "protective covering," from a Germanic source, from Proto-Germanic *hulfti (source also of Middle Dutch hulfte "pocket for bow and arrow," Middle High German hulft "covering"), from PIE root *kel- (1) "to cover, conceal, save." Sense of "case or enclosure for machine or part" is first recorded 1882, verbal noun from house (v.).