昨春 (sakushun) Japanese meaning: last spring | KotomoraLast spring, we planted cherry trees in this park.
The event last spring was a great success.
昨
春
から
since last spring
I started a new job since last spring.
Don't confuse with
昨年 means 'last year' as a whole, whereas 昨春 narrows the reference specifically to the spring season of that year.
去年 is the everyday word for 'last year' in general, while 昨春 specifically points to last spring and sounds more formal.
Etymology
Compound of 昨 (saku, 'last, previous') and 春 (shun, 'spring'). The reading is the on'yomi of both characters.