hearth (n.) Look up hearth at Dictionary.com
Old English heorð "hearth, fire," in transferred use "house, home," from West Germanic *hertho "burning place" (cognates: Old Saxon and Old Frisian herth, Middle Dutch hert, Dutch haard, German Herd "floor, ground, fireplace"), from PIE *kerta-, from root *ker- "heat, fire" (see carbon).