Your older sister was called by the gods.
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means call, so the verb version is to respectfully call. It can also be used as to respectfully eat or to respectfully invite too. It's a really useful word like that. As long as you remember it's the respectful/honorific way of doing things you should be fine.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
If you want to respectfully call out to someone you need to make sure you don't look them in the 目 (め) because that's super rude. Always remember to turn your 目 away to show respect.