出典:Wiktionary
From French numismatique, from Late Latin numisma, numismatis (“coin”), variant of Latin nomisma, from Ancient Greek νόμισμα (nómisma, “current coin, custom”), from νομίζω (nomízō, “I hold または own as a custom, usage, I use customarily, practise, I am used to”), from νόμος (nómos, “usage, custom”), from νέμω (némō, “I keep, hold, watch”).
numismatics (uncountable)