kellonvieteri (Finnish) comes from Finnish vieteri, from Swedish fjäder, from Old Swedish fiädher, from Old Norse fjǫðr, from Proto-Germanic feþrō, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.
Ancestry of “kellonvieteri”, step by step
kellonvieteri traces back through two separate lines of ancestry.