10 strokes
Kentei exam level 1

obstruct

On'yomi

Main Radical

(KanXi)

Character Breakdown

obstruct
 (Kentei 1)
mountain
やま サン さ (1st, N5)
grow late, night watch, sit up late
さら ふ.ける コウ (7th, N3)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
day, sun, Japan
ひ ニチ ジツ (1st, N5)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)

References

Unicode hex code 5CFA
JIS X 0208 1-54-24
Haig, J. New Nelson Japanese-English Character Dictionary 1468
Morohashi Daikanwajiten 8115
Tuttle Dictionary Descriptor Code 3o7.3
Four corner code 2174.6