Where does “јучерашњи” come from?
јучерашњи (Serbo-Croatian) comes from Serbo-Croatian ју̀че̄р, from Proto-Slavic vьčera, from Proto-Slavic večerъ, from Proto-Balto-Slavic wékeras, from Proto-Indo-European wekʷsperos.
јучерашњи (Serbo-Croatian): yesterday; yesterday's
Ancestry of “јучерашњи”, step by step