Where does “kost” come from?

kost (Old Danish) comes from Old Norse kvǫstr, from Proto-Germanic kwastuz, from Proto-Indo-European gʷes- — twig; leafwork.

Ancestry of “kost”, step by step

StepLanguageWordMeaning
1Old Norsekvǫstr—
2Proto-Germanickwastuztuft; tassel
3Proto-Indo-Europeangʷes-twig; leafwork
Every word from Proto-Indo-European gʷes- →Every word from Proto-Germanic kwastuz →Every word from Old Norse kvǫstr →