köken: Inherited from Old East Slavic березовꙑи (berezovyi), from Proto-Slavic *berzovъ. By surface analysis, берёз- (berjóz-, “birch”) + -овый (-ovyj). Cognate with Belarusian бяро́завы (bjarózavy), Ukrainian бере́зовий (berézovyj), Polish brzozowy, Czech březový, Slovak brezový, etc.
Made of, consisting of, pertaining to birch; birchen.
köken: birk + -en. From Middle English birken, birchen, from Old English bircen, *biercen, beorcen (“made of birch, birchen”), from Proto-Germanic *birkīnaz (“made of birch”). Cognate with English birchen, Dutch berken, Low German berken, German birken.
aile: birkenshaw
O weary Winter soon will pass, / And Spring will cleed the birken shaw;
Etimoloji
See the etymology of the corresponding lemma form.