祝
シュク, シュウ, いわ.う, のり, ほぎ, ゆわい
celebrate, congratulate
JLPT2 G4 S9 F1184
As per
兄
# (extend the arms in prayer) +
示
altar/the supernatural → *offer a prayer at an altar* → *congratulate*; *celebrate*; *commemorate*.
[Full Kanji Etymology List]