unadulterated vinegar; pure vinegar
Refers to vinegar that has not been diluted or mixed with other ingredients, often used in cooking contexts.
Using pure vinegar brings out the flavor in this dish.
市販の合わせ酢ではなく、生酢でドレッシングを作った。
I made the dressing with unadulterated vinegar, not store-bought seasoned vinegar.
Compound of 生 (ki, 'pure, raw') and 酢 (zu, 'vinegar'). The reading きず is a standard kun'yomi combination.