Where does “piira” come from?

piira (Finnish) comes from Swedish spira, from Old Norse spíra, from Proto-Germanic spīrǭ, from Proto-Indo-European spey- — sharp point, stick.

Ancestry of “piira”, step by step

StepLanguageWordMeaning
1Swedishspiraa sceptre; a spire; a spar, a pole
2Old Norsespírareed; stalk; thin tree-shoot
3Proto-Germanicspīrǭpeak; summit; top; pole; rod; reed; stalk
4Proto-Indo-Europeanspey-sharp point, stick

Words derived from “piira

Every word from Proto-Indo-European spey-Every word from Proto-Germanic spīrǭEvery word from Old Norse spíra