極 means “extreme, pole”

きょく · kyoku

Also: extremely, very

Kun'yomi (Japanese reading)
きわめる, きわまる, きわまり, きわみ, きめる
On'yomi (Chinese reading)
キョク, ゴク

JLPT N2 · Taught in grade 4 · 12 strokes

The story

Wood (木) beside 亟, a person stretched between ground and sky: 極 first meant the ridgepole, the highest beam of a house. Now it is any far limit: 北極 is the North Pole, 南極 the South, and 極める is to master something.

Used in 積極的 (sekkyokuteki, proactive), 北極 (hokkyoku, North Pole), and 極めて (kiwamete, extremely)

More from Quake & Fire

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