春秋

Noun

 * 1)  spring and autumn
 * 2)  the four seasons
 * 3)  a year's time; year
 * 4)  person's age
 * 5)  time
 * 6)  annal; chronicle of events by year
 * 1)  annal; chronicle of events by year

Proper noun

 * 1) the 
 * 2) the

Etymology 1
From compound. The kan'on, so probably a shift in reading after initial borrowing.

Noun

 * 1) spring and autumn
 * 2)  a year;  one's age

Proper noun

 * 1) the 

Etymology 2
Compound of.

Noun

 * 1) spring and autumn
 * 2)  a year;  one's age