Meaning

noun a mineral that contains metal that is valuable enough to be mined

noun a monetary subunit in Denmark and Norway and Sweden; 100 ore equal 1 krona

originFrom Middle English or, oor, blend of Old English ōra (“ore, unwrought metal”) and ār (“brass, copper, bronze”), the first a derivate of ear (“earth”), the second from Proto-West Germanic *aiʀ, from Proto-Germanic *aiz, from Proto-Indo-European *áyos, h₂éyos. Compare Old Norse eir (“brass, copper”), German ehern (“of metal, of iron”), Gothic 𐌰𐌹𐌶 (aiz, “ore”); also Dutch oer (“ferrous hardpan; bog…

Etymology from Wiktionary, CC BY-SA 3.0