köken: Inherited from Old East Slavic мѧкъкъ (mękŭkŭ), from Proto-Slavic *mękъkъ, from Proto-Balto-Slavic *minˀkakas, from Proto-Indo-European *mn̥k-o-kó-s, from *menk-.
Derived in the 18th century from labbern (“to be slack, to hang down (of sails)”), from German Low German [Term?]; compare Dutch labberen (“to hang slack”). Related to German laff (“slack; tasteless”).