yearer
Etymology
From year + -er.
yearer means A period of a certain number of years. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- A period of a certain number of years.“"Five yearers" were said to be allowed to grow moustaches or even marry a wife if such a thing were available. If "four yearers" mixed with "one yearers" the worst was suspected and very often turned out to be true.”