eco-

== English == === Etymology === From French éco-, from Latin oeco-, from Ancient Greek οἶκος (oîkos, “house, household”). === Pronunciation === enPR: ĕkŏ- IPA(key): /ˈiːkəʊ/ (Philippines) IPA(key): /ˈɛkoʊ/ === Prefix === eco- ecology or the environment (in the ecological sense) economy ==== Usage notes ==== Primarily used in ecology/environment sense; if used in “economy” sense, usually as part of economy or a derived term. ==== Derived terms ==== ecoporn eco-town (Economics): econometrics econometry economy ==== Translations ==== === Anagrams === CEO, COE, CoE, Coe, EOC, ceo == Catalan == === Pronunciation === IPA(key): (Central) [ˌɛ.ku] IPA(key): (Balearic, Valencia) [ˌɛ.ko] === Etymology 1 === Borrowed from Ancient Greek οἶκος (oîkos, “house, household”). ==== Prefix ==== eco- eco- (forming words concerning ecology or the environment) === Etymology 2 === Borrowed from Latin echō, from Ancient Greek ἠχώ (ēkhṓ, “echo”). ==== Prefix ==== eco- echo- (forming words related to echos or other reflected waves) === Derived terms === === Further reading === “eco-”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007 “eco-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026 “eco-” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua. == Dutch == === Pronunciation === IPA(key): /ˈeː.koː/ === Prefix === eco- eco- == Italian == === Prefix === eco- forms words relating to echos eco- (environmental) ==== Derived terms ==== == Portuguese == === Etymology === Borrowed from French éco-. === Pronunciation === Hyphenation: e‧co- === Prefix === eco- eco- (concerning ecology or the environment) ==== Derived terms ==== === Further reading === “eco-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “eco-”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026 “eco-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology 1 === From Ancient Greek οἶκος (oîkos, “house, household”). ==== Prefix ==== eco- eco-; forms words concerning ecology or the environment ‎eco- + ‎sistema (“system”) → ‎ecosistema (“ecosystem”) === Etymology 2 === From Latin echō, from Ancient Greek ἠχώ (ēkhṓ, “echo”). ==== Prefix ==== eco- forms words relating to echos or other reflected waves ‎eco- + ‎cardiograma (“cardiogram”) → ‎ecocardiograma (“echocardiogram”) === Derived terms === === Further reading === “eco-”, 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