"Mother's sister" in Engpsh is called "Aunt."

The word "Aunt" originates from the Old French word "tante," which was a term of endearment for an aunt. The term was later adopted in Middle Engpsh and has been used in the Engpsh language for several centuries.

Example sentences in Engpsh:

My aunt always brings me gifts when she visits.
My aunt and uncle pve in a big house.

中文翻译：

我的姑妈总是带礼物来拜访。
我的姑妈和姑父住在一个大房子里。