See also: Ios, iOS, IOs, I/Os, -ios, and íos- English Noun ios plural of io Anagrams soi, OIS, SOI, ISO, OSI, iso-, iso, OIs, SIO Tagalog Etymology Etymology treeProto-Philippine *áyusTagalog ayos▲English iOSinflu.Tagalog iosFrom ayos, influenced by English iOS. Pronunciation (Standard Tagalog) IPA(key): /ˈʔajos/ [ˈʔaː.jos] Rhymes: -ajos Syllabification: i‧os Interjection ios (Internet slang) OK; alright