boiling water; scalding water
Often used in the idiom 煮え湯を飲まされる (to be betrayed by a trusted person; to be forced to drink scalding water). The word itself is neutral but carries a strong connotation of danger or betrayal in fixed expressions.
I feel as if I've been betrayed (lit. made to drink scalding water).
Boiling water spurted out of the kettle.
Compound of 煮え (continuative form of 煮える 'to boil') + 湯 'hot water'.