köken: Etymology tree Proto-Indo-European *swep- Proto-Indo-European *-nós Proto-Indo-European *swépnos Proto-Italic *swepnos Latin somnus Proto-Indo-European *bʰer- Proto-Indo-European *-ós Proto-Indo-European *bʰorós Proto-Italic *-foros Latin -fer Latin somniferlbor. Portuguese sonífero Learned borrowing from Latin somniferō. By surface analysis, sono + -ífero.
Sonífera ilha / Descansa meus olhos / Sossega minha boca / Me enche de luz
köken: Etymology tree Polish na sen Proto-Indo-European *-nós Proto-Balto-Slavic *-inas Proto-Slavic *-ьnъ Old Polish -ny Polish -ny Polish nasenny From na sen + -ny.