Well is an adverb in way plus a noun that can also function as prefix forming words like blessed one well-being, benefactor, bienmesabe, welcome, bienquerido, great kiskadee. Beloved would be the passive participle of bienamar, although it is not word SAR, everyone understands as equivalent to bienquerer, that is if admitted. The prefix is well - equivalent to the Latin bene - ( benefactor, Benedict, welcome ) and the Greek eu - ( eucalyptus, eugenics, euphony, euphoria, eutrophication, eulalia, eupepsia, euthymia... )
