- 日 nounadjectivedailydaily; every day; day by day
- 积 積 verbto accumulateto amass; to store up; to gather over time
- 月 nounmonthmonth; a time unit based on the cycle of the moon, twelve of which make a year; also used for monthly occurrences or payments
- 累 verbnounto accumulate(bound form) to pile up; to accumulate; to build up