Correct spelling for the English word "gerdeh" is [d͡ʒˈɜːde͡ɪ], [dʒˈɜːdeɪ], [dʒ_ˈɜː_d_eɪ] (IPA phonetic alphabet).
I apologize, but I couldn't find a dictionary definition for the word "gerdeh" in English. It appears that "gerdeh" might be a term or word that has limited usage or is specific to a certain language or context. If you could provide more information about the origin, context, or specific meaning of "gerdeh," I would be able to assist you better in providing a definition or explanation.