noun
fiscal year; business year
Refers to the annual accounting period used by a company or organization for financial reporting and tax purposes.
当社の事業年度は4月1日から翌年3月31日までです。
Our company's fiscal year runs from April 1 to March 31 of the following year.
会計年度 is a near-synonym also meaning 'fiscal year,' but 事業年度 is more specifically tied to a company's own business cycle, while 会計年度 often refers to the government's fiscal year or a statutory accounting period.
Compound of 事業 (business, enterprise) and 年度 (fiscal year, annual period). The term is a straightforward Sino-Japanese compound used in modern business contexts.