antidiagonal.
antidiagonal (the diagonal of a matrix that leads from top-right towards bottom-left)
Meaning & usage
antidiagonal (the diagonal of a matrix that leads from top-right towards bottom-left)
Where this word comes from
Etymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂énti Ancient Greek ᾰ̓ντῐ́ (ăntĭ́) Ancient Greek ἀντι- (anti-)der. Portuguese anti- Proto-Indo-European *dwóh₁ ▲ Proto-Indo-European *trísinflu. Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δια- (dia-) Proto-Indo-European *ǵónu Proto-Hellenic *gónu Proto-Hellenic *-ía Proto-Hellenic *gonwía Ancient Greek γωνίᾱ (gōníā) Proto-Indo-European *-yósder. Ancient Greek -ιος (-ios) Ancient Greek διαγώνιος (diagṓnios) Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālis Latin diagōnālisbor. Portuguese diagonal Portuguese antidiagonal From anti- + diagonal.
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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.