←
Old Church Slavonic сънъ (cognate)
←
Proto-West Germanic *swefn (inherited)
←
Ancient Greek ὕπνος (cognate)
←
Proto-Indo-European *swep- (root)
←
Proto-Indo-European *swépnos (inherited)
←
Old Norse svefn (cognate)
←
Old Irish suan (cognate)
→
English dream (mention)
→
Assamese সপোন (cognate)
→
Assamese সপান (cognate)
→
Middle English sweven (inherited)
→
Old Norse svefn (cognate)