noun, noun or participle which takes 'suru'
abstinence from salt
Refers to voluntarily giving up salt, often for religious, spiritual, or vow-related reasons. Can be used as a noun or with する to describe the practice.
彼は願掛けのために一週間の塩断ちを始めた。
He started a week-long abstinence from salt as a vow.
修行の一環
Some monks practice salt abstinence as part of their training.