thung lũng

== Vietnamese == === Etymology === From Proto-Mon-Khmer *luŋ(h) or *luuŋh; cognate with Khmer លុង (lung). See also lủng (“having a hole, be perforated”) and trũng (“be lower than surrounding surface”). Doublet of lũng. === Pronunciation === (Hà Nội) IPA(key): [tʰʊwŋ͡m˧˧ lʊwŋ͡m˦ˀ˥] (Huế) IPA(key): [tʰʊwŋ͡m˧˧ lʊwŋ͡m˧˨] (Saigon) IPA(key): [tʰʊwŋ͡m˧˧ lʊwŋ͡m˨˩˦] === Noun === thung lũng a valley ==== Derived terms ==== === References ===