noun
bonito stock; dried bonito broth
A fundamental Japanese stock made from dried bonito flakes (katsuobushi), used as a base for miso soup, simmered dishes, and noodle broths.
味噌汁は鰹だしで作ると風味が良くなる。
Miso soup tastes better when made with bonito stock.
このうどんのつゆは鰹だしが効いている。
The broth for this udon has a rich bonito stock flavor.
Compound of 鰹 (かつお, 'bonito') and だし ('stock'). The word だし is derived from the verb 出す (だす, 'to take out'), referring to the extraction of flavor.