Where does “tetrahex” come from?

tetrahex (English) comes from English hex, from English hexagon, from Latin hexagōnum, from Ancient Greek ἑξάγωνον, from Ancient Greek ἑξα-, from Ancient Greek ἕξ, from Proto-Hellenic hwéks, from Proto-Indo-European swéḱs — six.

tetrahex (English): A polyhex composed of four hexagons

Definitions

  1. A polyhex composed of four hexagons

Ancestry of “tetrahex”, step by step

tetrahex traces back through two separate lines of ancestry.

via English hex

StepLanguageWordMeaning
1EnglishhexTo cast a spell on (specifically an evil spell), to bewitch
2EnglishhexagonA polygon with six sides and six angles
3Latinhexagōnumhexagon
4Ancient Greekἑξάγωνονhexagon
5Ancient Greekἑξα-Forming compound words with the sense of "six"
6Ancient Greekἕξsix
7Proto-Hellenichwékscardinal...
8Proto-Indo-Europeanswéḱssix

via English tetra

StepLanguageWordMeaning
1EnglishtetraAny of numerous species of small South American...
2TranslingualTetragonopterus
3Ancient Greekπτερόνfeather; wing; Any winged creature
4Proto-Indo-Europeanpéth₂r̥wing; feather
5Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European swéḱsEvery word from Ancient Greek ἑξα-Every word from Ancient Greek ἑξάγωνον