proper noun
Popasnaia is feminine in French.
alternative spelling of Popasnaïa
“a) achevé sur les lignes : […] DEBALTSOVO-KOUPIANSK (en I947^([sic]) sur Debaltsovo-Popasnaia)” — a) [work] completed on the lines: […] Debaltseve–Kupiansk (in 1947 on Debaltseve–Popasnaya)