a (middle voice) prolonged form of the primary (middle voice) optomai {op'-tom-ahee}, which is used for it in certain tenses, and both as alternate of 3708; TDNT - 5:315,706
AV - see 37, appear 17, look 2, show (one's) self 1, being seen 1; 58
1) to look at, behold
2) to allow one's self to be seen, to appear