εἴσω

Etymology 1
From. Compare, ,.

Adverb

 * 1)  into
 * 2)  inside, within
 * 1)  inside, within

Usage notes
was the primary form used in Ionic and old Attic prose, but in other prose and comedy only εἴσω was used. In poetry either form is used as the meter requires. Compare,. When εἴσω takes an object, that object is usually in the accusative case, but may be in the genitive. εἴσω generally follows its object.