I met the word 唰 shua1 in a Xi Yang Yang book as the sound 唰唰 one character makes while eating. Two sources agree it is "onomat. quick slick up." I don't know the English "quick slick up." Google translate makes a plausible but unclear suggestion of shabu shabu for 唰唰.
What is this word?
Here is the context. Lazy lamb is enjoying a snack. The panel caption tells us this is outside of the sheep village school, with a light breeze blowing (羊村“教室外,风儿轻轻吹过).
baike.com describes it as "swiftly" or "swish"... I believe it is indeed onomatopoeia.
唰 <形> - Adverb
形容迅速的样子 【swiftly】。如:唰地一下跳上墙;唰溜溜(形容极其迅速);唰啦(形容迅疾)
Describes "swiftly" or "quickly" doing something. Like to "swiftly" jump on the wall.
唰 <象> - Adjective for sound
形容迅速擦过去的声音 【swish】。如:唰唰;唰喇喇
Or describes a sound, to "swish" by something.
唰者 亦「𠴪」之正體也
唰 is considered as the standard for its variant 「𠴪」
廣韻．入聲．薛韻 謂之曰 「𠴪 鳥理毛也 所劣切」 From a dictionary, '𠴪 is the act of a bird combing through her feather, consonant following 所, vowel following 劣'.
集韻．入聲．薛韻 謂之曰 「唰 鳥治毛也」 Another dictionary puts it this way: '唰 is the act of a bird combing through her feather'.
字彙．口部 謂之曰 「唰 所劣切 音刷 鳥理毛也 𠴪 同上」 Yet another dictionary shows that '唰 consonant following 所, vowel following 劣, sounded as 刷, is the act of a bird combing through her feather. 𠴪 ditto'.
正字通．口部 謂之曰 「𠴪 同唰」 And another dictionary tells that '𠴪 is same as 唰'.
康熙字典．口部 謂之曰 「𠴪 廣韻所劣切 音刷 鳥理毛也 按 廣韻有「𠴪」無「唰」 玉篇 集韻 類篇有「唰」無「𠴪」 實即一字 譌分為二」 This famous dictionary also says something about it: '𠴪 as shown in 廣韻, is the act of a bird combing through her feather, consonant following 所, vowel following 劣, sounded as 刷, editor's note: in 廣韻 there is an entry for 𠴪 but not 唰; while in anyone of these 玉篇, 集韻, 類篇 唰 has an entry but 𠴪 does not. Thus these two are indeed one characters, somehow split into two versions.' Scanned page of 康熙字典．同文書局版．口部．唰𠴪二字．口部:
台灣教育部異體字字典 (Ministry of Education, Taiwan)
盼諸君賜教
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