Mwinyi
No. Mwinyi is Swahili, derived from the Swahili word 'mwenye' meaning 'owner' or 'one who possesses'. It is used in East African coastal Muslim communities.
Yes. The element Mwinyi appears in real personal names and surnames in East Africa; notably Ali Hassan Mwinyi was President of Tanzania (1985–1995), illustrating historical attestation.
Mwinyi is typically used as a masculine given name or surname element but can appear in family names that are used across genders; in most attestations it functions for men.
No. Mwinyi is Swahili in origin and is not derived directly from any specific Quranic verse, though semantically it aligns with Arabic terms like 'malik' (مالك).
Related Swahili Muslim names used in the same communities include Mwajuma (born on Friday or related to jumu'a) and Mwanaidi; these are culturally connected even if meanings differ.