köken: Etymology tree Middle French ammoniacbor. Old Polish armoniak Polish amoniak Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -alisbor. Proto-Indo-European *-nós Proto-Balto-Slavic *-inas Proto-Slavic *-ьnъ Old Polish -ny Polish -ny Polish -alny Polish amoniakalny From amoniak + -alny. First attested in 1803.