Reading that has nothing to do with the Kanji

[UInt2048]

There are plenty of these. There’s actually a whole thread about this here:

Special kanji words derived from other words

Continuing from here, in this topic we can discuss kanji that become their own words, that are clearly derived from simpler kanji/words. For example, 掌(てのひら) (meaning palm of one’s hand), is literally 手の平. Let’s gather all of these interesting kanji that fit this pattern. When the origin isn’t a valid spelling, dictionaries like Goo will sometimes mention the origin. For example, the entry for 湖 says 《「水海」の意》. Origin is a valid alternative spelling: Word Reading Origin 碑 いしぶみ 石文 彩る …