köken: Inherited from Middle High German nahtegal, nahtegale, from Old High German nahtagala, from Proto-West Germanic *nahtigalā (literally “she who sings during the night”). Related to Nacht and gellen. Middle High German unstressed -eg- regularly yields modern -ig- (compare the suffix -ig and words like Bräutigam). Cognate with Dutch nachtegaal, English nightingale (which see for more).
köken: From Proto-Indo-European *balbal- (“babbling, unclear speech”) (compare Latin balbus (“stammering”)), or from Arabic بُلْبُل (bulbul), both derivations of ultimate onomatopoeic origin.
köken: Inherited from Old Galician-Portuguese [Term?], borrowed from Old Occitan rossinhol, from Vulgar Latin *lusciniolus, diminutive of Classical Latin luscinia (“nightingale”). Cognate with Galician rousinol.
köken: csal + -og + -ány, created by Ferenc Kazinczy during the Hungarian language reform, which took place in the 18th–19th centuries.
aile: a nemzet csalogánya
Etimoloji
From Old Occitan rossinhol (cf. Catalan rossinyol), from Vulgar Latin *lusciniolus, masculine diminutive of Latin luscinia (“nightingale”). According to De Vaan, "might be explained with haplology from *lusci-cania (“singing in the night; blind singer”), but this is conjecture.