サイ, シュ, もっと.も, つま, も

utmost, most, extreme

JLPT3 G4 S12 F82

Originally, as described in (cover) + # (take hold of) → grasp a container's cover and take a pinch of its (precious) contents → *extreme* (← extremely little/few ← small amount) → *most* (← amount approaching an extreme).

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