Original mean of "su" is vinegar. "Susi" is an Japanese classic word
(adjective) that mean sour or acid.

"Rona Yuthasastrakosol" > wrote in message
...
> As for the word 'sushi', the actual kanji (Chinese characters) has nothing
> to do with fish or rice at all. IIRC, the character usually used for 'su'
> commonly means 'longevity' and I can't remember what 'shi' means, but not
> rice or fish or vinegar. There are other variations for writing 'sushi'