The term is a modern English compound adjective, formed by combining the name of a specific language with the present participle of the verb 'to speak'. The first element, 'Xhosa', originates from the name of the ethnic group, itself derived from a legendary chief named uXhosa. The linguistic element enters English through contact with South African languages. The second element, 'speaking', has a deep Germanic lineage, tracing back to the Proto-Indo-European root spēk-, meaning "to speak", which evolved into Old English specan. The compound structure follows a productive English pattern (e.g., English-speaking, French-speaking) to create an efficient descriptor for linguistic capability, shifting the proper noun 'Xhosa' into an attributive role to specify the particular language used in communication.

Structure: Xhosa (proper noun) + speaking (verb participle) - Xhosa: A proper noun of Nguni origin, referring to a Bantu ethnic group of South Africa and their language. In this compound, it functions as a modifier specifying the language. - speaking: Derived from Old English specan (to speak). In this compound, the present participle form functions adjectivally, meaning "using (a specified language) in speech".