pickling
adjective
[ ˈpɪk(ə)lɪŋ ]
• (of food) suitable for being pickled or used in making pickles.
• "pickling onions"
pickle
verb
• preserve (food or other perishable items) in vinegar or brine.
• "fish pickled in brine"
• immerse (a metal object) in an acid or other chemical solution for cleaning.
• "the steel sheet is first pickled in acid to remove all oxides"
Origin:
late Middle English (denoting a spicy sauce served with meat): from Middle Dutch, Middle Low German pekel, of unknown ultimate origin.