シュン, はる, あずま, かす, すの, ひ, わら

springtime, spring (season)

JLPT4 G2 S9 F579

The relevant seal inscription form is # (swelling bud) + an element combining sun/day and 艸 grass/plant → *spring* (← season when buds and other vegetation swell in the sunlight that returns after winter) → *youth*; *sexual desire*.

[Full Kanji Etymology List]