Vigorou
Vigorou is the past tense form of the Portuguese verb vigorar. The verb vigorar means to be in force, to have legal effect, or to prevail. In formal writing and reporting, vigorou is used to indicate that a rule, law, contract, or regulation was active during a certain period in the past and then either expired, was amended, or replaced.
Common contexts include legislative acts, regulatory frameworks, and treaties. For example: "A lei vigorou de 2005
Pronunciation and semantics: Vigorou is a third-person singular preterite form; it does not function as a noun.
Etymology: The verb vigorar comes from Latin roots associated with vigor and life, passing into Portuguese