Where does “hexagonus” come from?

hexagonus (Latin) comes 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.

hexagonus (Latin): hexagonal

Definitions

hexagonal

Ancestry of “hexagonus”, step by step

Step	Language	Word	Meaning
1	Latin	hexagōnum	hexagon
2	Ancient Greek	ἑξάγωνον	hexagon
3	Ancient Greek	ἑξα-	Forming compound words with the sense of "six"
4	Ancient Greek	ἕξ	six
5	Proto-Hellenic	hwéks	cardinal...
6	Proto-Indo-European	swéḱs	six

Every word from Proto-Indo-European swéḱs →Every word from Ancient Greek ἑξα- →Every word from Ancient Greek ἑξάγωνον →