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:
You need to help someone. Someone is hanging off a cliff and out of reach. They ask you, the person standing above them, to toss (たす) them a rope, but you refuse. "TOSS IT!" they yell. "I WILL NOT TOSS IT," you respond. You're a jerk.
If WaniKani and Tofugu were drowning, which one would you save?
Is there anybody who can rescue this poor abandoned puppy?
Does anybody need any help eating their chili and cheese burrito? I’m really good at it!