Where does “быраас” come from?

быраас (Yakut) comes from Russian врач, from Old Church Slavonic врачь, from Proto-Slavic vьračь, from Proto-Slavic vьrati, from Proto-Indo-European werh₁- — to speak, say.

быраас (Yakut): doctor, physician

Definitions

doctor, physician

Ancestry of “быраас”, step by step

Step	Language	Word	Meaning
1	Russian	врач	therapist, not surgeon, not hospital nurse; doc,...
2	Old Church Slavonic	врачь	physician
3	Proto-Slavic	vьračь	originally conjuror, enchanter
4	Proto-Slavic	vьrati	to shout, to lie; to lament, to groan
5	Proto-Indo-European	werh₁-	to speak, say

Every word from Proto-Indo-European werh₁- →Every word from Proto-Slavic vьrati →Every word from Proto-Slavic vьračь →