What is "byuteydyakh"

Byuteydyakh is the name of several rural localities in the Sakha Republic, Russia:

• Byuteydyakh, Megino-Kangalassky District, Sakha Republic, a selo in Byuteydyakhsky Rural Okrug of Megino-Kangalassky District
• Byuteydyakh, Verkhnevilyuysky District, Sakha Republic, a selo in Dyullyukinsky Rural Okrug of Verkhnevilyuysky District