तथा in the same way, मे my, ज्येष्टा eldest, माता mother, दीर्घदर्शिनी a lady with farsight, कौशल्या Kausalya, धर्मम् righteousness, समास्थाय having adhered, त्वयि towards you, भगिन्यामिव as if a sister, वर्तते हि conducted

In the same way my eldest mother the farsighted Kausalya, too adhered to righteousness and conducted herself towards you like a sister.