kolfr

From Proto-Germanic *kulbaz (“round object”), possibly from Proto-Indo-European *gel- (“to form into a ball”).^[1] Perhaps related to Middle Low German kolve (“bulb”).

kolfr m

1. clapper, tongue of a bell
2. a kind of bolt
   • svá skjótt (snart) sem kólfi skjóti (skyti)
   • swift as an arrow

• kolfskot
• bakkakolfr
• hjúkolfr

• Icelandic: kólfur
• Faroese: kúlvur
• Norwegian Nynorsk: kolv; (dialectal) kóv’e, køłv, kæłv, kałv, kvolv, kvøłv
• Norwegian Bokmål: kolv
• Elfdalian: kuov
• Old Swedish: kolver
  • Swedish: kolv (dialectal)
• Danish: kolv (dialectal)

• Entry "kólfr" on page 248 in: Geir T. Zoëga "A Concise Dictionary of Old Islandic", Oxford at the Claredon Press (1910).