arpent[är′pənt; Fr ȧr pän′]
an old French unit of land measure, formerly used in parts of Quebec and Louisiana, equal to about acre
Origin of arpentFrench ultimately ; from Gaulish arepenis
Any of various French units of land measurement, especially one used in parts of Canada and the southern United States and equal to about 0.4 hectare (0.85 acre).
Origin of arpentFrench, from Old French, from Latin arepennis, half acre; see per1 in Indo-European roots.