G1339–διΐστημι–diistēmi

And after the lapse of about one hour another stoutly maintained it, saying, In truth this [supplied: man] also was with him, for also he is a Galilaean.

διαστάσης diastasēs “when was elapsing”

And it came to pass as he was blessing them, he was separated from them and was carried up into heaven.

διέστη diestē “He was separated”

and having sounded found twenty fathoms, and having gone a little farther and having again sounded they found fifteen fathoms;

διαστήσαντες diastēsantes “having gone farther”