good night

Etymology
Probably a shortening of "May you have a good night."

Translations

 * Abkhaz: ашара шәӡыбзиарахааит
 * Albanian: natën e mirë
 * Aleut: angali kingachxicax
 * Arabic: تُصْبِح عَلَى خَيْر, لَيْلَة سَعِيدَة
 * Hijazi Arabic: تصبح على خير, و إنت من اهله تِمْسِي على خير
 * Armenian: բարի գիշեր
 * Asturian:, bona nueche
 * Azerbaijani: gecəniz xeyrə qalsın
 * Basque: gabon
 * Belarusian: дабра́нач
 * Bengali: শুভ রাত্রি
 * Breton:
 * Bulgarian: ле́ка нощ
 * Catalan:
 * Chechen: буьйса декъал йогӏийла
 * Cherokee: ᎣᏍᏓ ᏒᏃᏱ
 * Chichewa: usiku wabwino
 * Chinese:
 * Cantonese: 晚安,
 * Hokkien:, 暗安
 * Mandarin:
 * Cornish: nos da
 * Czech:
 * Danish:
 * Dutch:, goeienacht, , trusten ,
 * Elfdalian: gunatt
 * Esperanto: bonan nokton
 * Estonian:
 * Ewe: dɔ agbe
 * Faroese: góða nátt
 * Finnish: ,
 * French:
 * Galician: boa noite, boas noites
 * Garo: walnam
 * Georgian: ღამე ნებისა, ძილი ნებისა
 * German:
 * Alemannic German: guetnacht, gut nacht , guot nacht , göt nacht, göti nacht , schlàwol
 * Bavarian: guade Nochd
 * Greek:, καλό βράδυ
 * Greenlandic: sinilluarit, kunaat
 * Gujarati: શુભ રાત્રી
 * Hawaiian: aloha pō
 * Hebrew:
 * Hindi: शुभ रात्रि, शब बख़ैर, गुड नाइट
 * Hungarian: ,
 * Icelandic:
 * Ido: bona nokto
 * Indonesian:
 * Interlingua: bon nocte
 * Irish: oíche mhaith
 * Italian: ,
 * Japanese:, , おやすみやす
 * Javanese: sugeng dalu
 * K'iche': xokaq'ab'
 * Karelian: hyviä yödy
 * Karok: yáv pa'ikxáram
 * Kazakh: қайырлы түн
 * Khmer: រាត្រីសួស្ដី
 * Korean: 안녕히 주무십시오, 안녕히 주무세요, 잘 자요, 잘 자
 * Kurdish:
 * Central Kurdish: شەو باش
 * Northern Kurdish:, şev xweş, şev bixêr
 * Lao: ໃນ​ຕອນ​ກາງ​ຄືນ​ທີ່​ດີ​
 * Latin: placidē quiēscās, bene quiēscās, molliter cubēs, ōtiōsē dormiās; in utramvīs aurem dormiās, in dextram aurem dormiās ; ; placidam noctem, bonam noctem
 * Latvian: arlabunakti
 * Lingala:
 * Lithuanian: labanaktis, labos nakties, saldžių sapnų
 * Luxembourgish: gutt Nuecht
 * Macedonian: лека ноќ, добра ноќ
 * Malay:
 * Malayalam: ശുഭ രാത്രി
 * Maltese: il-lejl it-tajjeb, bonswa
 * Mòcheno: guata nòcht
 * Navajo: nizhónígo háádíilyįh, nizhónígo niidoołkááł, yáʼátʼéehgo háádíilyįh
 * Norman: bouan gniet
 * Norwegian:
 * Bokmål:
 * Nynorsk: god natt
 * Odia: ଶୁଭ ରାତ୍ରି
 * Old Church Slavonic:
 * Cyrillic: льгъка нощь
 * Old English: gōde niht
 * Old Tupi: tiá nde putuna
 * Pashto: شپه دې نېکمرغه
 * Persian:
 * Classical Persian:, شَب خْوَش
 * Iranian Persian:, شَب خوش
 * Polish:
 * Portuguese:
 * Quechua: wuynas nuchis, allin tuta
 * Romani: sov Devleça, soven Devleça
 * Romanian: noapte bună
 * Romansch: buna notg
 * Russian: ,
 * Sami:
 * Inari: pyeri ijjâ
 * Northern: buorrẹ idja
 * Skolt: vuä´đ tiõrvân
 * Southern: buerie jïjje
 * Samoan: manuia le po
 * Samogitian: labanakt
 * Scots: guid nicht
 * Scottish Gaelic: oidhche mhath
 * Serbo-Croatian:
 * Cyrillic: лаку ноћ
 * Roman: laku noć
 * Sicilian:
 * Slovak: dobrú noc
 * Slovene: lahko noč
 * Sorbian:
 * Lower Sorbian: dobru noc
 * Spanish:
 * Sranan Tongo: sribi switi
 * Swahili: usiku mwema
 * Swedish:, go'natt , natti
 * Tajik: шоми хуш, шаб ба хайр, шабатон хуш бод
 * Tamil: இனிய இரவு
 * Telugu:
 * Tetum:
 * Thai:
 * Tongan:
 * Turkish: iyi geceler
 * Udmurt: ӟеч изь
 * Ukrainian: на добра́ніч, добра́ніч
 * Urdu: شَب بَخَیر
 * Uzbek: xayrli tun
 * Vietnamese: ngủ ngon
 * Welsh: nos da
 * West Frisian: goenacht,
 * Winnebago: hąhe pį
 * Yiddish:
 * Zulu: lala kahle, ulale kahle, lalani kahle, nilale kahle