prulamna'a lujvo

n1=p1=l1 is yesteryear; n1=p1=l1 is the year preceding p2=l2 by year standard n3.

Cf. bavlamna'a, cabna'a.

In notes:

x1 is x2 years in duration (default is 1 year) by standard x3; (adjective:) x1 is annual.
n1=b1=l1 is next year; n1=b1=l1 is the year following b2=l2 by year standard n3.