아주머니
ajumeoni · TOPIK 1
middle-aged woman
ajumeoni: ends in meoni, just like eomeoni (mother)
아주머니 shares its -meoni ending with 어머니 (mother) and 할머니 (grandmother), all respectful terms for older women. It is the polite form of 아줌마 (ajumma), used to address a middle-aged woman, much like ma'am.