orto-

== Danish == === Etymology === From Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright, erect”). === Prefix === orto- ortho- ==== Derived terms ==== === References === “orto-” in Den Danske Ordbog == Finnish == === Etymology === From Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright, erect”). === Pronunciation === IPA(key): /ˈorto-/, [ˈo̞rt̪o̞-] === Prefix === orto- (chiefly in loanwords) ortho- ==== Derived terms ==== == Italian == === Pronunciation === IPA(key): /or.to/ Hyphenation: or‧to- === Etymology 1 === Learned borrowing from Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright, erect”). ==== Prefix ==== orto- ortho- ===== Derived terms ===== === Etymology 2 === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) ==== Prefix ==== orto- alternative form of orti- (“garden, orchard”) === Anagrams === Toro, roto, rotò, toro == Polish == === Etymology === Learned borrowing from Ancient Greek ὀρθός (orthós). === Pronunciation === IPA(key): /ɔr.tɔ/ Rhymes: -ɔrtɔ Syllabification: or‧to- === Prefix === orto- ortho- (chemistry) ortho- ==== Derived terms ==== === Further reading === “orto-”, in Polish dictionaries at PWN‎[1] (in Polish) J. Karłowicz, A. Kryński, W. Niedźwiedzki, editors (1904), “orto-”, in Słownik języka polskiego (in Polish), volume 3, Warsaw, page 831 == Portuguese == === Etymology === Borrowed from Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright”). === Pronunciation === === Prefix === orto- ortho- ==== Derived terms ==== === Further reading === “orto-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “orto-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === Borrowed from Ancient Greek ὀρθο- (ortho-), combining form of ὀρθός (orthós, “straight, upright”). === Prefix === orto- ortho- ==== Derived terms ==== === Further reading === “orto-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025