mài mòn

== Vietnamese == === Etymology === mài +‎ mòn. === Pronunciation === (Hà Nội) IPA(key): [maːj˨˩ mɔn˨˩] (Huế) IPA(key): [maːj˦˩ mɔŋ˦˩] (Saigon) IPA(key): [maːj˨˩ mɔŋ˨˩] === Verb === mài mòn to abrade; to scrape (figurative) to erode; to wear away