noun
Refers to one's allotted share or portion, especially in contexts like splitting a bill or dividing work. Often used in the phrase 割り前勘定 (splitting the bill equally).
今日の飲み会は割り前で払おう。
Let's split the bill for today's drinking party.
彼は自分の割り前の仕事を終えた。
He finished his share of the work.
割り勘 specifically means splitting the bill equally among participants, while 割り前 is a broader term for one's share or portion in any context.
Compound of 割り (wari, 'division') + 前 (mae, 'portion'). The exact historical derivation is uncertain, but the word has been used since the Edo period to refer to an allotted share.