The word 'yourself' is a compound pronoun formed in Middle English from the possessive adjective 'your' and the noun 'self'. 'Your' originates from the Old English 'ēower', the genitive plural form of the second-person pronoun 'gē' (you), which has Proto-Germanic roots. 'Self' comes from the Old English 'self', meaning 'one's own particular person or identity', tracing back to the Proto-Germanic 'selbaz'. The fusion of these elements created a reflexive and emphatic pronoun that directly links the action or state back to the specific individual being addressed, solidifying a core concept of personal identity and agency in the language.

Structure: your + self - your (from Old English 'ēower', genitive of 'gē', meaning 'of you'): A possessive determiner functioning as the base. - self (from Old English 'self', meaning 'same, own, particular'): A noun/adjective suffix indicating identity or individuality.