requereren
Requereren is a verb in several Romance languages, notably Spanish and Portuguese, meaning to require, demand, or request. Its etymology traces back to the Latin verb requirere, which itself is a combination of re- (again, back) and quaerere (to seek, to ask). This core meaning of seeking or asking for something again or with insistence is preserved in its modern Romance descendants.
In legal and administrative contexts, requereren often signifies a formal demand or official notification. For example,