legis

Legis is the genitive singular form of the Latin noun lex, meaning "of the law." In Latin grammar, legis appears as a possessive form used to relate something to the law, and it is commonly encountered in legal, ecclesiastical, and scholarly Latin texts. One notable historical phrase is legis actio, a term from Roman law describing a formal action proceeding under the law; the construction literally means "action of the law."

In English-language contexts, legis is not used as an independent English word. Instead, it appears in quotations of Latin phrases or in glossaries explaining legal vocabulary. Its influence lives on in modern legal terminology through words such as legislative and legislation, which trace back to the same Latin root, lex/legis. The pronunciation and spelling may differ across languages, reflecting Latin's declension.

In contemporary usage, legis may also appear as an acronym or proper name used by organizations, software, or projects related to legislative information or governance. Such uses are not standardized and depend on the specific context.