.
c таджикского с английского

поён

(adv.) 1 bottom; 
2 end, brink, edge; 
бa ~ расидан to end, to come to an end, to expire 3 down, down wards; 
~ кардан to put down lower: ~ фуромадан to come down, to descend, to sink, to lower, to lessen, to wane