The term "wifey" is an informal and affectionate term used to refer to someone who is considered a wife or someone who possesses qualities desired in a wife. It can denote a sense of commitment, love, and partnership, often used in a playful or endearing way to describe a girlfriend or partner one intends to marry.
The word "wifey" is derived from the English word "wife," which comes from the Old English "wif," meaning "woman" or "female." The playful suffix "-ey" is often added in informal speech to create a term of endearment.