*paravail*

a. [ OF. par aval below; par through (L. per) + aval down; a- (L. ad) + val (L. vallis) a valley. Cf. Paramount. ] (Eng. Law) At the bottom; lowest. Cowell. [ 1913 Webster ]

☞ In feudal law, the tenant paravail is the lowest tenant of the fee, or he who is immediate tenant to one who holds over of another. Wharton. [ 1913 Webster ]