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See also: aciu



Etymology unclear. Related to Belarusian dialectal а́цю (ácju, thank you), а́ціць (ácicʹ, to thank), Polish dialectal aću, aciu (thank you), although these may be Balticisms.[1] As frequently used words often undergo irregular phonetic changes, it may be a clipping of multiple words, as in other words for "thank you": Russian спаси́бо (spasíbo) < съпаси́ богъ (sŭpasí bogŭ, God save (you)), Latvian paldies < palīdz Dievs (may God help), Romanian mulțumesc < mulțănesc (I wish (you) many years).[2] One suggested source is atjautà jùms (sympathy to you),[3] although this is likely a folk etymology (compare dėkui).




  1. thank you
    Ãčiū táu ùž tàvo méilę.
    Thank you for your love.


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  1. ^ “ацю” in Vincas Urbutis (1969), Dabartinės baltarusių kalbos lituanizmai, Iš:Baltistica, page 48
  2. ^ Witold Mańczak (1994) [1] 'Le développement phonétique irrégulier dû a la fréquence en Lituanien' [Irregular phonetic development due to frequency in Lithuanian]. Baltistica, Supplement 4, pages 92-104.
  3. ^ Marija Žvinakevičienė (2012) [2] AČIŪ – gražiausias lietuviškas žodis ["Ačiū" is the most beautiful word in Lithuanian], marijampole.lt