Vaskning (n'ụzọ nkịtị. 'Sinking') bụ omume nke ịwụfu champagne n'ime sink. O yikarịrị ka ịṅụ mmiri malitere na Sweden dị ka "mmetụta maka mmachibido iwu nke ịgbasa champagne n'ọtụtụ ụlọ mmanya" na onye na-atụ ọda karama abụọ nke champagne ma rịọ onye na-ere mmanya ka ọ wụpụ (ịṅụ) otu n'ime ha.[1] Okwu ahụ bụ "sinking" bụ nsụgharị nke okwu Swedish, "vaskning," ewepụtara na "vask," nke pụtara "sink"..[2]