Where does “со́ня” come from?

со́ня (Russian) comes from Russian сон, from Proto-Slavic sъ̀nъ, from Proto-Balto-Slavic supnas, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

со́ня (Russian): sleepyhead

Definitions

sleepyhead

Ancestry of “со́ня”, step by step

со́ня traces back through two separate lines of ancestry.

via Russian сон

Step	Language	Word	Meaning
1	Russian	сон	sleep; dream
2	Proto-Slavic	sъ̀nъ	sleep, dream
3	Proto-Balto-Slavic	supnas	sleep, dream
4	Proto-Indo-European	supnós	sleep; death
5	Proto-Indo-European	swóp-r̥ ~ swép-n̥s	—
6	Proto-Indo-European	swep-	to sleep

via Ancient Greek σοφία

Step	Language	Word	Meaning
1	Ancient Greek	σοφία	skill or cleverness in carpentry, music, or other...
2	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
3	Proto-Indo-European	-íh₂	—
4	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Words derived from “со́ня”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →