Where does “langa” come from?

langa (Swedish) comes from German langēn, from Middle High German langen, from Old High German langēn, from Proto-West Germanic *langōn, from Proto-Germanic langōną, from Proto-Indo-European lengʷʰ- — light, agile, nimble; light, not heavy, agile,...

langa (Swedish): to throw or give something to someone; to buy...