noun
Refers to the plant Armoracia rusticana, often used as a condiment. Distinct from Japanese wasabi (本わさび) and Western horseradish (西洋わさび), though related.
山わさびをすりおろして、ローストビーフに添えた。
I grated horseradish and served it with roast beef.
Compound of 山 (yama, 'mountain') and わさび (wasabi, 'wasabi'), likely referring to its growth in mountainous areas or its similarity to wasabi.