旺
オウ, キョウ, ゴウ, かがや.き, うつくし.い, さかん

flourishing, successful, beautiful, vigorous

JLPT1 G7 S8 F2342

As per 王# (extend) + 日 sun/day → extensive sunlight (compare 晃 and 曠) → *flourishing*; *prosperous* (← extensive prosperity; compare 郁).

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