Kien, m., ‘resinous wood,’ from MidHG. kien, n. and m., OHG. chien, ‘resinous wood, pine chips, pine torch’; comp. AS. *kên, cên, m., ‘torch pine.’ Goth. *kêns or *kizns (comp. Miete from Goth. mizdô) is wanting; further references cannot be found. Comp. also Kiefer.