évvel
évvel is the instrumental case form of the Hungarian noun év, which means year. It is created by adding the suffix -vel to év and is used to express lengths of time or to indicate a difference in age in a manner that centers on years.
In practice, évvel occurs most often after numerals. It is used to form age and time comparisons,
Grammatically, évvel is a fixed form that attaches to év whenever a numeral or temporal sense requires
See also: év, the basic noun meaning year, and the suffix -val/-vel used to form instrumental and