multilingual support
Used in computing contexts for software, websites, or systems that handle multiple languages.
This app has multilingual support, so it is used worldwide.
To build a multilingual website, translation management is important.
国際化 (internationalization) is a broader concept of making a product adaptable to various languages and regions, while 多言語対応 specifically refers to supporting multiple languages.
ローカライズ (localization) is the process of adapting content for a specific locale, which often includes translation, whereas 多言語対応 is the capability of handling multiple languages.
Compound of 多 (many), 言語 (language), and 対応 (support, handling). A modern technical term.