noun
counting money; reckoning of gains and losses
Refers to the act of calculating financial income and outgo, or more broadly weighing profits and losses. Often used in contexts of careful or meticulous accounting.
月末は銭勘定で忙しい。
The end of the month is busy with counting the money.
彼はいつも銭勘定にうるさい。
He is always fussy about reckoning gains and losses.
Compound of 銭 (zeni, 'money') and 勘定 (kanjō, 'calculation, reckoning').