Minero

PIE word *mēy(H)nis Likely borrowed from Spanish Minero, as an occupational surname from Spanish minero m (“miner; one who mines or works in a mine”), occupational noun of Spanish mina f (“a mine, a cavern for mining”), itself borrowed borrowed from French mine f (“a mine”), inherited from Latin mina f (“an ore, a mine”), from Gaulish *mēnā (“an ore, a mine”), from Proto-Celtic *meinis f (“an ore, a metal, a mine”), from Proto-Indo-European *mēy(H)nis, Proto-Indo-European *(s)mēy(H)-.

来源：wiktionary