Godan verb with 'tsu' ending, Intransitive verb
to boil; to come to a boil
4.煮え立たせる寸前で弱火にして、もう一度灰汁を取り除きます。4. Just before bringing it to the boil, set to a low flame and remove the scum again. to seethe (with rage, etc.); to be furious
Also written 煮えたつ【にえたつ】