Where does “triacontakaitetragon” come from?

triacontakaitetragon (English) comes from English -gon, from Ancient Greek γωνία, from Ancient Greek γόνυ, from Proto-Hellenic gónu, from Proto-Indo-European ǵónu — knee.

triacontakaitetragon (English): A polygon with thirty four sides and thirty four angles

Definitions

A polygon with thirty four sides and thirty four angles

Ancestry of “triacontakaitetragon”, step by step

Step	Language	Word	Meaning
1	English	-gon	Forms the names of plane figures containing a...
2	Ancient Greek	γωνία	corner, angle; joiner's square; cornerstone
3	Ancient Greek	γόνυ	knee
4	Proto-Hellenic	gónu	knee
5	Proto-Indo-European	ǵónu	knee

Every word from Proto-Indo-European ǵónu →Every word from Proto-Hellenic gónu →Every word from Ancient Greek γόνυ →