non-royal

The word is a modern English compound formed by directly applying the productive negative prefix "non-" to the adjective "royal." The prefix "non-" originates from Latin non, meaning "not," a strengthened form of the Proto-Indo-European negative particle ne. The core word "royal" entered English via Anglo-French roial, tracing back to Latin regalis (of a king), itself from rex (king), a term with deep Proto-Indo-European roots in h₃rḗǵs, meaning "ruler" or "king." The compound's logic is transparently analytical, creating a straightforward term for anyone or anything excluded from the sphere of monarchy, reflecting a societal category defined by the absence of royal privilege.

Structure: non (not) + royal (of a king or queen) - non: A prefix of Latin origin, meaning "not." It functions as a negative or privative prefix. - royal: An adjective of Anglo-French and Latin origin, from regalis (kingly), derived from rex (king). It functions as the core adjective being negated.