Or (shorter) oimai (oy'-mahee) middle voice apparently from hoios; to make like (oneself), i.e. Imagine (be of the opinion) -- suppose, think.
see GREEK hoios
οἰέσθω (oiesthō) − 1 Occurrence
οἶμαι (oimai) − 1 Occurrence
οἰόμενοι (oiomenoi) − 1 Occurrence