Where does “носочек” come from?

носочек (Russian) comes from Russian носо́к, from Russian но́с, from Old East Slavic носъ, from Proto-Slavic nȍsъ, from Proto-Balto-Slavic nasús, from Proto-Indo-European néh₂s- — nose, nostril.

носочек (Russian): (small) sock

Definitions

(small) sock

Ancestry of “носочек”, step by step

Step	Language	Word	Meaning
1	Russian	носо́к	sock
2	Russian	но́с	nose
3	Old East Slavic	носъ	nose
4	Proto-Slavic	nȍsъ	nose
5	Proto-Balto-Slavic	nasús	nose
6	Proto-Indo-European	néh₂s-	nose, nostril

Every word from Proto-Indo-European néh₂s- →Every word from Proto-Balto-Slavic nasús →Every word from Proto-Slavic nȍsъ →