唱
ショウ, とな.える

chant, recite, call upon, yell

JLPT1 G4 S11 F1123

As per 昌# (chant; recite) + 口 mouth → *chant*; *recite* → *advocate*; *advance* (a theory). 唱 was devised to replace 昌 after the latter came to refer to brightness.

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