This is the 87th most frequent Japanese word.
おり
"おり" (ori) can mean "fold," "cage," or "opportunity" depending on context.
Here, 'おり' signifies a specific chance, opportunity, or favorable moment to do something.
このおりを逃さずに、彼に告白します。
I won't miss this chance to confess to him.
Here, 'おり' refers to the act of descending or going down something, like a slope or staircase.
彼は山の斜面をおりています。
He is descending the mountainside.
In this context, 'おり' means an opportunity or suitable time for something.