Before a taddhita affix having an indicatory ñ , ṇ or k the vṛddhi is substituted for the first vowel of the compound ending in 1. jaṅgala 2. dhenu and 3. balaja and optionally for the first vowel of these second members also.,
As कौरुजङ्गलम् or कौरुजाङ्गलम्, वैश्वधैनवम् or वैश्वधेनवम्, सौवर्णवलजः or सौवर्णवालजः ॥,