おととし一昨年ototoshiいっさくねん一昨年issakunen
1.
The year that directly precedes the previous year, often used to refer to an event or time that occurred two years ago from the current year.
2.
A term used in Japanese to indicate a time frame that is specifically two years in the past, distinct from both the previous year and the current year.
3.
A reference to a specific calendar year that is two years before the present year, used in both written and conversational contexts to clarify a temporal relationship.
Example:
彼女は、よりもはるかに暮らし向きがよい。