Champart should not be confused with Champarty.
Champart (in French pronounced as /ʃɑ̃paʁ/) was a tax in Medieval France levied by landowners on tenants. Paid as a share of the harvest, the amount due varied between and, and typically of the cereal crop.
Regional names for champart included French, Old (842-ca.1400);: '''arrage''', '''gerbage''', '''parcière''', '''tasque''', and '''terrage'''.
Beginning in the early modern period, champart was converted into a cash rent, first in the Île-de-France region.