皇こう太たい子し妃ひ

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Common word

Meanings

1

noun

The wife of a crown prince. Used in formal and news contexts.

emperor

太plump, thick, big around

子child, sign of the rat, 11PM-1AM

妃queen, princess

皇こう太たい子し
皇太子 is the crown prince, while 皇太子妃 is his wife, the crown princess.
王おう妃ひ
王妃 is a queen consort or princess consort in a monarchy, whereas 皇太子妃 specifically refers to the wife of a crown prince in an imperial context.

Compound of 皇太子 (crown prince) and 妃 (princess consort).