Where does “icosagonal” come from?

icosagonal (English) comes from English icosagon, from Ancient Greek εἰκοσάγωνος, from Ancient Greek εἴκοσι, from Proto-Hellenic ewīkəti, from Proto-Indo-European wídḱm̥ti, from Proto-Indo-European dwidḱómt, from Proto-Indo-European déḱm̥t — ten.

icosagonal (English): Having the form of a icosagon

Definitions

  1. Having the form of a icosagon

Ancestry of “icosagonal”, step by step

icosagonal traces back through two separate lines of ancestry.

via English icosagon

StepLanguageWordMeaning
1EnglishicosagonA polygon with twenty sides and twenty angles
2Ancient Greekεἰκοσάγωνοςhaving twenty sides
3Ancient Greekεἴκοσιtwenty
4Proto-Hellenicewīkəti—
5Proto-Indo-Europeanwídḱm̥titwenty
6Proto-Indo-Europeandwidḱómt—
7Proto-Indo-Europeandéḱm̥tten

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-Indo-European déḱm̥t →Every word from Proto-Indo-European dwidḱómt →Every word from Proto-Indo-European wídḱm̥ti →