Stem مُرْسَىٰ has 2 unique word forms and appears 3 times in the Quran.

Word Translation Occurrences
مُرۡسَىٰهَا (is) its arrival 2
مُرۡسَىٰهَاۖ its appointed time 2
وَمُرۡسَىٰهَآۚ and its anchorage 2