sometime (at some unknown or unspecified point in time) · sometime, someday, one day
eş: pewnego razu, reg. śl. kesik, kiejś, kedyś
köken: Etymology tree Proto-Slavic *kъgъdy Old Polish kiegdy Polish kiedy Proto-Indo-European *ḱe Proto-Indo-European *ís Proto-Indo-European *ḱís Proto-Balto-Slavic *śís Proto-Slavic *sьder. Old Polish -ś Polish -ś Polish kiedyś From kiedy + -ś. First attested in 1560. Compare Kashubian czedës, and Silesian kedyś.
Kiedyś mogłem przejść dziesięć mil dziennie, ale teraz już nie.
sometimes, occasionally · sometime, someday, some day, one day
köken: joku + -s (s-lative singular), or alternatively (compare dialectal joskussa, obsolete jossakussa found in Agricola's texts as iossakussa) an inessive form with later (syncope and) apocope.