A stem ending in a nasal and followed by the affix viṭ or van always substitutes for long ā for its nasal.,
Thus अब्जाः, गोजाः, ऋतजाः, अद्रिजाः, गोषाः (e. g. गोषा इन्द्रोनृषा असि Rig V.), कूपखाः, शतखाः, सहस्रखाः, दधिकाः, अग्रेगा उन्नेतणाम् ॥ The affix विट् (which is totally elided) is added under 3.2.67. The स of सन् is changed to ष by 8.3.108. in गोषा ॥ With the affix वन् we have the following :-- विजावा, अग्रेजावा 3.2.75. The repetition of the word अनुनासिक in this sutra shows that the limitation of anudattopadesa &c. which applied to the अनुनासिक of sutra 6.4.37 does not apply here.,