幾 means “how many, how much”

いく · iku

Also: how far, how long

Kun'yomi (Japanese reading)
いく-, いくつ, いくら
On'yomi (Chinese reading)
キ

JLPT N3 · Taught in secondary school · 12 strokes

The story

Picture a guard with a halberd (戈) squinting at tiny threads (幺), trying to count them all: 幾 asks how many. 幾つ and 幾ら, "how many" and "how much", are mostly written in kana now, and 幾何学 is geometry.

Used in 幾つ (ikutsu, how many), 幾ら (ikura, how much), and 幾何学 (kikagaku, geometry)

More from How Much, How Many

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.