Decades (5)
I believe the answer is:
years
(Other definitions for years that I've seen before include "12 month periods" , "Very long time (colloq.)" , "Measures of time" , "long period" , "Periods of time" .)
I believe the answer is:
years
(Other definitions for years that I've seen before include "12 month periods" , "Very long time (colloq.)" , "Measures of time" , "long period" , "Periods of time" .)