The interjections εἶἑν and εἶεν are generally said to mark some form of acceptation and be unrelated to the third person plural wish optative εἶεν. This paper argues that both the interjection εἶἑν and εἶεν are fossilized wish optatives of the third person plural. Instead of acceptation, they are used in conversation and monologues to signal that continuing in the way of the previous turn / act is dispreferred by the speaker in completing the higher communicative goal of the sequence / move (i. e. let that be that; be that as it may; anyway). First a contrastive analysis is offered of εἶἑν and εἶεν in Classical Greek conversation and monologue using concepts from Conversation Analysis. Second, the evolution of this wish optative into a seco...