Where does “берестяной” come from?

берестяной (Russian) comes from Russian -яно́й, from Proto-Slavic -ěnъ — Forming adjectives meaning 'made of '; -en.

берестяной (Russian): birchbark

Definitions

  1. birchbark

Ancestry of “берестяной”, step by step

StepLanguageWordMeaning
1Russian-яно́й—
2Proto-Slavic-ěnъForming adjectives meaning 'made of '; -en
Every word from Proto-Slavic -ěnъ →Every word from Russian -яно́й →