decagonal.
decagonal
Meaning & usage
decagonal
Where this word comes from
Etymology tree Proto-Indo-European *déḱm̥ Proto-Hellenic *dékə Ancient Greek δέκα (déka) Ancient Greek δεκα- (deka-) Proto-Indo-European *ǵónu Proto-Hellenic *gónu Proto-Hellenic *-ía Proto-Hellenic *gonwía Ancient Greek γωνίᾱ (gōníā) Ancient Greek -ος (-os) Ancient Greek δεκάγωνος (dekágōnos)bor. Latin decagōnusbor. Spanish decágono Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālis Spanish -al Spanish decagonal From decágono + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.