出典:Wiktionary
From Middle English saundres (“sandalwood”), from Old French sandre, from Medieval Latin sandalum, from Byzantine Greek σάνδανον (sándanon), σάνταλον (sántalon), from Arabic صَنْدَل (ṣandal), from Middle Persian [script needed] (cndl /čandal/, “sandalwood”), from Sanskrit चन्दन (candana, “sandalwood”).
「sanders」は名詞「sander」の複数形です