noun
prestissimo
Musical term indicating a very fast tempo, faster than presto. Used in scores and musical instruction.
from Italian
この曲の最後の部分はプレスティッシモで演奏される。
The final section of this piece is played prestissimo.
プレスト (presto) means very fast, but プレスティッシモ is even faster.
Borrowed from Italian 'prestissimo', the superlative of 'presto' (fast).