Where does “а́канье” come from?

а́канье (Russian) comes from Russian а́кать, from Russian А, from Old East Slavic а, from Proto-Slavic a, from Proto-Balto-Slavic ō, from Proto-Indo-European h₁ōd.

а́канье (Russian): the standard reduced pronunciation of unstressed о as а (i.e., or), as heard in Central Russian and Southern Russian and Belarusian

Definitions

the standard reduced pronunciation of unstressed о as а (i.e., or), as heard in Central Russian and Southern Russian and Belarusian

Ancestry of “а́канье”, step by step

Step	Language	Word	Meaning
1	Russian	а́кать	to pronounce an unstressed о like an а (as seen in Central and Southern Russia, considered standard)
2	Russian	А	A, ampere
3	Old East Slavic	а	but, and
4	Proto-Slavic	a	but; and
5	Proto-Balto-Slavic	ō	and; but
6	Proto-Indo-European	h₁ōd	—

Words derived from “а́канье”

Every word from Proto-Indo-European h₁ōd →Every word from Proto-Balto-Slavic ō →Every word from Proto-Slavic a →