زَكَّاهَا

زَكَّاهَا is a verbal sentence  (الجُمْلَةُ الفِعْلِيَّةُ) consisting of a verb and an object in the form of a third-person, feminine, singular attached pronoun

فِعْلٌ وَمَفْعُوْلٌ بِهِمَفْعُوْلٌ بِهِ فَاعِلٌ فِعْلٌ
Verbal sentenceObject SubjectVerb
الجُمْلَةُ الفِعْلِيَّةُAttached pronounDetached pronoun
AccusativeNominative
(He) purifies itزَكَّاهَا=هَا+مُسْتَتِرٌ تَقْدِيْرُهُ هُوَ+زَكَّا
(He) purifies itit(He)purified
Surah/Below is the only verse in the holy Quran containing the verb and third person, feminine, singular objectزَكَّاهَا
Verse
91-9indeed, he succeeds who purifies itقَدْ أَفْلَحَ مَن زَكَّاهَا