Is it likely that we find this word in the Dictionary?
Is it a plural noun? As it ends ־ים it is alike to be a plural noun, yes.
What then will we look for in the dictionary?
Noun עִנְיָן is the answer. It is a masculine noun that means matter, subject, task. Its plural means, of course, matters, subjects, tasks.
Why does it write a doubled yud?
Does it appear in the Bible?
Yes, we find it in the Bible, though not in the plural but in the singular (Ecc 2:26).