The syllable break. Kyoomkwat splits the word after the m, which is where the Cantonese splits it too. Everything else in it is a guess that went the wrong way twice. The first vowel is written as a long yoo when it is short, and the kw of the second syllable is written phonetically when English demands qu. Renderings like this one are worth looking at because they show a writer who has heard the word clearly and has simply been let down by two separate spelling conventions at once.