köken: Etymology tree Late Latin sponte Proto-Indo-European *-nós Proto-Italic *-nos Late Latin -nus Late Latin -ānus Proto-Indo-European *-yósder. Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Late Latin -eus Late Latin -āneus Late Latin spontāneusbor. Proto-Indo-European *-nós Proto-Balto-Slavic *-inas Proto-Slavic *-ьnъ Old Polish -ny Polish -ny Polish spontaniczny From Late Latin…