köken: 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 差(さ)し当(あ)たる (sashiataru), from 差(さ)し (sashi, 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 差(さ)す (sasu)) + 当(あ)たる (ataru).
köken: Etymology tree Latin āctus Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin āctuālisbor. Proto-Indo-European *-nós Proto-Balto-Slavic *-inas Proto-Slavic *-ьnъ Old Polish -ny Polish -ny Polish aktualny Proto-Slavic *-e Old Polish -ie Polish -ie Polish aktualnie From aktualny + -ie. First attested in the first half of the 18th c.