adjectival noun or quasi-adjective, takes genitive case の, noun

  1. (most) important, principal, pivotal, key, cardinal.

Variations

Pronunciation Kanji Kana Is Common
枢要 すうよう

Contained Kanji Breakdown

hinge, pivot, door
スウ シュ とぼそ (9th, N1)
tree, wood
き モク こ- (1st, N5)
ward, district
ク オウ コウ (3rd, N2)
hiding enclosure radical (no. 23)
ケイ (Kentei 1)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)
need, main point, essence
ヨウ い.る かなめ (4th, N3)
variant of radical 146
woman, female
ジョ おんな め (1st, N5)