godan verb (-su), transitive verb
extract by boiling; decoct
Used for extracting flavor, essence, or active ingredients from ingredients by boiling them in liquid, typically for making stock, tea, or herbal preparations.
昆布と鰹節でだしを煮出す。
I make dashi stock by boiling kombu and bonito flakes.
漢方薬を煮出して飲
I decoct Chinese herbal medicine and drink it.