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…
köken: Etymology tree Esperanto spontana Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin -itia Italian -ezzabor. Esperanto -eco Esperanto spontaneco From spontana (“spontaneous”) + -eco (“quality”).