極端

きょくたん · kyokutan · JLPT N1 · noun

extreme

端 — 立 stand + 耑 (phonetic, sprout)
端 combines 立 'to stand' with phonetic 耑, which originally depicted a plant sprouting with roots and shoots — its tips at both ends. The semantic 立 reinforces 'upright,' giving 端 meanings like 'end, tip, extremity' and by extension 'upright, proper.'

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