歌
カ, うた, うた.う

song, sing

JLPT4 G2 S14 F519

As per 哥# (sing) + 欠 bent, open-mouthed figure → *sing* → *song* → *poem*; *tanka*. 歌 was devised to express the original meaning of 哥 after the latter was borrowed to express "elder brother".

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