単たん独どく過か半はん数すう

• 過か半はん数すう

  過半数 simply means 'majority' (more than half), while 単独過半数 specifies that the majority is held by a single party or group without coalition.

• 絶ぜっ対たい多た数すう

  絶対多数 can mean 'absolute majority' (more than half of all eligible voters or members), whereas 単独過半数 focuses on a single entity achieving that majority.

Compound of 単独 (alone, single) and 過半数 (majority). The term is a modern political expression with no special historical derivation.