cú đêm

== Vietnamese == === Etymology === cú (“owl”) +‎ đêm (“night”). === Pronunciation === (Hà Nội) IPA(key): [ku˧˦ ʔɗem˧˧] (Huế) IPA(key): [kʊw˨˩˦ ʔɗem˧˧] (Saigon) IPA(key): [kʊw˦˥ ʔɗem˧˧] === Verb === cú đêm to stay up very late or to pull an all-nighter === Noun === cú đêm a night owl