noun
rice from two years ago; old rice
Specifically rice harvested two years prior, now considered old and of lower quality. Used in contexts like rice grading, cooking, or food aid.
古古米は新米に比べて味が落ちる。
Old rice tastes worse compared to new-crop rice.
この店では古古米を安く売っている。
This store sells old rice cheaply.
古米 is rice from the previous year's harvest, while 古古米 is from two years ago and considered even older.
新米 is newly harvested rice, the opposite of 古古米 in freshness and quality.
Compound of 古 (old) repeated and 米 (rice), literally 'old-old rice'.