rice from three years ago
Specifically refers to rice harvested three years prior, older than 古米 (one year) and 古古米 (two years). Used in contexts discussing rice quality, aging, or stock rotation.
See also: 古米
Rice from three years ago is said to have matured further and developed a unique flavor.
Standard kanji spelling using repeated 古 for 'old'.
Variant using iteration marks (々) for the repeated 古 characters.
Compound of 古 (old) repeated three times + 米 (rice), literally 'old-old-old rice', indicating rice from three harvests ago.