あげる
to raise, to increase
上 is a mark sitting above the line, up. Same あげる you already know for giving, except the thing going up is your own hand: あげる.
Same reading as あげる "to give". This one is written with 上 and means to lift. 上がる あがる is the thing going up on its own.
This is one of 1,500 words in Emaki, a free spaced repetition trainer with a written mnemonic on every card.
Study 上げる in EmakiFree, no account needed. Your progress stays in your browser.
Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.