The paisa (Bengali: পয়সা,Nepali: पैसा, Hindi: पैसा, Urdu: پیسہ) is a monetary unit in several countries; cognate terms include poisha (Bengali: পয়সা, in Bangladesh) and baisa (Arabic: بيسة, in Oman). In India, Nepal and Pakistan, the paisa currently equals 1⁄100 of a rupee. In Bangladesh, the poisha equals 1⁄100 of a Bangladeshi taka. In Oman, the baisa equals 1⁄1000 of an Omani rial.
The word paisa is from Hindi & Urdu paisā, a quarter-anna coin, ultimately from Sanskrit term padāṁśa meaning 'quarter part', from pada "foot or quarter" and aṁśa "part".
Until the 1950s in India and Pakistan...