1640s, "public official residence; large private residence," from French hôtel "a mansion, palace, large house," from Old French ostel, hostel "a lodging" (see hostel). Modern sense of "an inn of the better sort" is first recorded 1765. The same word as hospital.
hot water
hotbed
hot-blooded
Hotchkiss
hotch-potch
hotel
hotelier
hot-foot
hothead
hothouse
hotly