expression, godan verb (-mu)
value time; be sparing with time
Used when someone treats time as precious and avoids wasting it. Often implies diligence or a sense of urgency.
彼は時間を惜しんで勉強した。
He studied hard, grudging every moment.
時間を惜しむなら、無駄な会議は減
If you value your time, you should cut down on pointless meetings.