Etymology tree Polish asfalt Proto-Indo-European *-usder. Proto-Indo-European *-osder. Proto-Slavic *-ovъ Old Polish -owy Polish -owy Proto-Indo-European *-keh₂der. Proto-Balto-Slavic *-kāˀ Proto-Slavic *-ъka Old Polish -ka Polish -ka Polish -ówka Polish asfaltówka From asfalt + -ówka. First attested in 1926, but in common usage only as of 1958.