/par'euh vayl", par"euh vayl'/ , adj. Old Eng. Law.
being below or inferior to all others; specifically, being a tenant of one who holds land of another who is also a tenant: a tenant paravail.
[ 1525-35; par aval down (of direction, position), equiv. to par through, by (see PER-) + aval, a val down ad vallem lit., to the valley ]