numeraire
Concise Oxford English Dictionary © 2008 Oxford University Press:
numeraire /ˈnjuːmərɛː/
▶noun Economics an item or commodity acting as a measure of value or as a standard for currency exchange.
– origin 1960s: from Fr. numéraire, from late L. numerarius, from L. numerus ‘a number’.
'numeraire' also found in these Oxford entries:

