Where does “heptadecagonal” come from?

heptadecagonal (English) comes from English heptadecagon, from English heptadeca-, from English deca-, from French déca-, from Latin decās, from Ancient Greek δεκάς, from Ancient Greek -ᾰ́ς, from Proto-Indo-European -ónts — sound, voice.

heptadecagonal (English): Having the form of a heptadecagon

Definitions

  1. Having the form of a heptadecagon

Ancestry of “heptadecagonal”, step by step

heptadecagonal traces back through two separate lines of ancestry.

via English heptadecagon

StepLanguageWordMeaning
1EnglishheptadecagonA polygon with seventeen sides and seventeen...
2Englishheptadeca-seventeen
3Englishdeca-Greek number...
4Frenchdéca-deca-
5Latindecāsa decade (period of ten years)
6Ancient Greekδεκάςthe number ten; a group of ten, decade
7Ancient Greek-ᾰ́ςgroup of
8Proto-Indo-European-óntsDerives nouns denoting body parts
9Hungarianöntto pour; to cast; accusative singular of ön
10Hungarianönyou
11Hungarianön-self-
12Turkishönfront
13Ottoman Turkishاوكvoice (of human or animal); sound
14Proto-Turkicǖnsound, voice

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Turkic ǖn