Trepang

зоология трепанг, морской огурец (Holothuria edulis)

Англо-русский научно-технический словарь

Trepang

noun Etymology: Malay tĕripang any of several large sea cucumbers (as of the genera Actinopyga and Holothuria) that are taken mostly in the southwestern Pacific and are boiled, dried, and used especially in Asian cuisine — called also bêche-de-mer

Merriam-Webster's Collegiate Dictionary