Stewing
verb
To cook (food) by slowly boiling or simmering.
“I'm going to stew some meat for the casserole.”
To brew (tea) for too long, so that the flavour becomes too strong.
To suffer under uncomfortably hot conditions.
Synonyms: brood, fret, sweat, worry, bake, boil, sweat, swelter
noun
The act by which something is stewed.
“The meat was still tough even after repeated stewings.”