шесток

шест (šest, “pole”) +‎ -о́к (-ók). Dal mentions a hearth with a raised cover on supports (“poles”), providing one possible connection between the “pole” and “hearth” senses.

• IPA^(key): [ʂɨˈstok]

шесто́к • (šestók) m inan (genitive шестка́, nominative plural шестки́, genitive plural шестко́в)

1. diminutive of шест (šest); a small pole, staff, stick
2. roost, perch (a horizontal pole for chickens to perch on)
3. the raised and often covered hearth platform in front of the firebox of a traditional Russian stove
4. (obsolete, dialectal) covered hearth (in general)

• подшёсток (podšóstok)

• → Southern Yukaghir: шөшток (šøštok)

• Dal, Vladimir (1880–1882) “шест”, in Толковый Словарь живаго великорускаго языка [Explanatory Dictionary of the Living Great Russian Language] (in Russian), 2nd edition, Publication of the bookseller-typographer Wolf, M. O.