Orkideh
Orkideh is Persian in origin (a word for 'orchid'); it is not of Arabic etymology though it may be used by Arabic-speaking communities.
No. The name is botanical and literary in origin and does not appear in the Quran or classical Hadith texts.
It is relatively rare and considered classical or poetic rather than a popular contemporary name.
Yes. Because of Persian cultural influence on Bengali literary traditions, Orkideh is acceptable and has been used in Bengali Muslim circles.
It suggests rarity, refined beauty, delicacy and an association with floral elegance and poetic imagery.