Noun and する verb
とうし
警察が昨夜私の見込み客が雪山で凍死しているのを発見したので、私に事情聴取をしたいそうです。
The police discovered that a potential client of mine was frozen to death on a snowy mountain last night and they want to talk to me.
A frozen death isn't a bad way to go, I hear. Still, you don't want to freeze to death if you can help it.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.