birchen

• birken (Northern England)

From Middle English birchen, birken, from Old English bircen, *biercen, beorcen (“made of birch, birchen”), from Proto-Germanic *birkīnaz (“made of birch”), equivalent to birch +‎ -en. Cognate with Scots birken, birkin (“birchen”), Dutch berken (“birchen”), Low German berken (“birchen”), German birken (“birchen”).

birchen (not comparable)

1. Made from birch wood.

• byrchyn

From birche (from Old English birce) + -en.

birchen

1. Made of birchwood.
2. Covered with birch trees.

• English: birchen, birken

• “birchen, adj.” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 27 April 2018.