noun
A matter that causes difficulty, concern, or annoyance; often used for personal or everyday troubles.
最近、仕事の困りごとが増えている。
Lately, work-related problems have been increasing.
困りごとがあったら、いつでも相談してください。
If you have any troubles, please feel free to talk to me anytime.
Compound of 困り (continuative form of 困る, 'to be troubled') + 事 (こと, 'thing, matter'). The reading こまりごと reflects rendaku voicing of こと to ごと.