To Be Well Pickled
To Be Well Marinated
intransitive verb, godan verb
つかる
浸す （ひたす） To Soak, To Steep, To Dip
浸る （ひたる） To Be Soaked In, To Be Submerged, To Be Flooded
漬ける （つける） To Pickle Something, To Marinate Something
漬かる （つかる） To Be Well Pickled, To Be Well Marinated
It was Pickled in Zucker つか (sugar in German) root る juice.