Budu (jawi: بودو; thai: บูดู, rtgs: budu, pronounced [būːdūː]) is an anchovies sauce and one of the best known fermented seafood products in kelantan, terengganu in malaysia, southern thailand and natuna islands in indonesia (where it is called pedek or pedok) and south sumatra, bangka island and western kalimantan of indonesia (where it is called rusip). it is mentioned in a grammar and dictionary of the malay language, with a preliminary dissertation, volume 2, by john crawfurd, published in 1852.

Source: Wikipedia