dōng​jiǔ​jiǔ

the nine periods of winter

Senses

冬九九 dōng​jiǔ​jiǔ the nine periods of winter

the eighty-one days following the winter solstice, traditionally divided into nine periods of nine days each (numbered from jiǔ through 九九 jiǔ​jiǔ) used to track the coldest part of the year

References

see 九九/九九 冬九九/冬九九