手て元もと金きん

て

も

と

き

ん

Meanings

1

Refers to money that is immediately available for use, such as cash kept at home, in a wallet, or petty cash for daily expenses.

I check the cash on hand before a trip.

手て元もと金きんが足たりなくて、ATMでおろした。

I didn't have enough cash on hand, so I withdrew some from the ATM.

現げん金きん
現金 is the general word for 'cash', while 手元金 specifically emphasizes money that is physically at hand and ready to use.
小こ遣づかい
小遣い is 'pocket money' or 'allowance', often implying a regular amount for personal spending, whereas 手元金 is simply the cash you have available at the moment.

Compound of 手元 (てもと, 'at hand') + 金 (きん, 'money').