For the ending i of the Locative -7th case singular there is substituted ām after a aṅga (stem) called nadī -- yū stryākhyau nadī [[1.4.3]] etc., after the feminines in ā and after nī,
As कुमार्याम्, किशोर्याम्, गौर्याम्, ब्रह्मबन्ध्वाम्, धीरबन्ध्वाम्, खट्वायाम्, बहुराजायाम्, कारीषगन्ध्यायाम्, नी-ग्रामण्याम्, सेनान्याम् ॥
The word ग्रामणी is formed by क्विप् affix added under 3.2.61, the न is changed to ण by अग्र ग्रामाभ्याम्; and the यण् substitute in the Locative is by 6.4.82.,