geirfugl (Old Norse) comes from Old Norse fugl, from Old Norse fogl, from Proto-Germanic fuglaz, from Proto-Germanic fluglaz, from Proto-Germanic fleuganą, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.
geirfugl (Old Norse): great auk; gyrfalcon
Definitions
great auk; gyrfalcon
Ancestry of “geirfugl”, step by step
geirfugl traces back through two separate lines of ancestry.