noun
scouring; washing vegetables in lye
Refers to the traditional process of washing vegetables (especially wild plants) in water mixed with wood ash (lye) to remove bitterness or harshness. Also used more generally for scouring or cleaning with ash-based solutions.
山菜は灰汁洗いをしてから調理する。
Wild vegetables are scoured with lye before cooking.
灰汁洗いをすると、野菜のえぐみが取れる。
Scouring with lye removes the harshness from vegetables.
Compound of 灰汁 (aku, 'lye, harshness') and 洗い (arai, 'washing').