Where does “tetraeder” come from?

tetraeder (Norwegian Bokmål) comes from Norwegian Bokmål eder, from Danish eder, from Old Danish idher, from Old East Norse iðʀ, from Proto-Germanic izwiz, from Proto-Germanic *jūz, from Proto-Indo-European túh₂ — you, thou.

tetraeder (Norwegian Bokmål): a tetrahedron

Definitions

  1. a tetrahedron

Ancestry of “tetraeder”, step by step

tetraeder traces back through two separate lines of ancestry.

via Norwegian Bokmål eder

StepLanguageWordMeaning
1Norwegian Bokmålederaccusative second-person pronoun, plural "or" in...
2Danishederindefinite plural of ed; accusative second-person...
3Old Danishidher
4Old East Norseiðʀ
5Proto-Germanicizwizaccusative/dative/instrumental of *jūz
6Proto-Germanic*jūz
7Proto-Indo-Europeantúh₂you, thou

via Norwegian Bokmål tetra

StepLanguageWordMeaning
1Norwegian Bokmåltetra

Words derived from “tetraeder

Every word from Proto-Indo-European túh₂Every word from Proto-Germanic *jūzEvery word from Proto-Germanic izwiz