köken: From Middle High German and Old High German bast (“inner bark of trees”), probably related to besten (“to strap”), from Proto-West Germanic *bastijan (“to plait, sew, weave”).
köken: Inherited from Proto-Slavic *lubъ (“bast”), from Proto-Indo-European *lowbʰ-ó-s, from *lewbʰ- (“to peel, cut off, harm”). Cognate with Lithuanian lùpti (“to peel, to shell”), Latvian luba (“narrow strip of wood”), Latin liber (“book, inner bark of a tree”), Proto-Germanic *laubą (whence English leaf).
köken: Inherited from Old Czech lýko, from Proto-Slavic *lyko, from Proto-Balto-Slavic *lúnˀkan. Cognate with Lower Sorbian łyko, Polish łyko, Serbo-Croatian lika, Russian лы́ко (lýko).
köken: From Proto-Albanian *bardzmā, derived from *bardzā > bardhë (“white”), with a typical semantic pattern for the nomination of bark and bast. Compare Proto-Slavic *lyko (“bast”) from Proto-Indo-European *lewk- (“light, shine”).
From Old Swedish bast, from Old Norse bast, from Proto-West Germanic *bast (“bast, rope”) via a borrowing from West Germanic. Cognate with English bast and German Bast.