total man-hours; total hours
Used in work, project, or statistical contexts to refer to the sum of hours worked by all people involved, without adjusting for overlapping time.
The total man-hours for this project exceeded 500 hours.
We tally up the total volunteer hours.
Standard kanji spelling.
Mixed kana-kanji spelling sometimes seen in practical writing.
Compound of 延べ (nobe, 'total, cumulative') + 時間 (jikan, 'time, hours'). The prefix 延べ is used in counting contexts to indicate a cumulative total without deduplication.