Qāmat: she stood, feminine suffix. Qumtu: I stood, first-person suffix with no gender distinction. Qumti: you [f.s.] stood, subject-pronoun suffix.
Opening interactive controls...
A Three-Way Contrast
Feminine Tāʾ in the Past Tense: Form and Agreement
Qāmat: she stood, feminine suffix. Qumtu: I stood, first-person suffix with no gender distinction. Qumti: you [f.s.] stood, subject-pronoun suffix.