箇 means “item, place (counter)”

か · ka

Also: counter for articles

On'yomi (Chinese reading)
カ, コ

JLPT N1 · Taught in secondary school · 14 strokes

The story

Bamboo (⺮) and 固, hard: picture solid bamboo tallies, one per item. 箇 counts things and places: 箇所 is a spot or passage, 箇条書き is a bulleted list, and the small ヶ in 3ヶ月 is said to come from 个, a shorthand of 箇.

Used in 箇所 (kasho, place/spot), 箇条書き (kajougaki, itemized list), and 一箇月 (ikkagetsu, one month)

More from Old Measures

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