Could not find διαστήσεις in Logeion dictionaries.
διαστήσεις
Noun: feminine nominative plural, Noun: feminine vocative plural, Noun: feminine accusative plural of
διάστησις
διαστήσεις
Verb: aorist active subjunctive 2nd singular, Verb: future active indicative 2nd singular of
διΐστημι
See διαστήσεις in Morpho