अन्वयः

अद्भुतरूपेण by a person of wonderful form, तेन by him, मनोहरम् delightful, नानामृगगणाकीर्णम् filled with various kinds of animals, यत् such, तव your, प्रमदावनम् beautiful pleasure garden, प्रमृष्टम् ruined.

M N Dutt

And he it is that, wearing a wonderful form, has destroyed your charming arbour of the interior, filled with beasts of various kinds-And quarter there is none which has not been destroyer by him; and only that place where the exalted Jänakī is, remain uninjured by him.

Summary

"Your beautiful pleasure garden filled with a variety of beasts has been ruined by this wonderful figure.

पदच्छेदः

तेन	तद् (३.१)
त्वद्भुतरूपेण	तु (अव्ययः)–अद्भुत–रूप (३.१)
यत्	यद् (१.१)
तत्	तद् (१.१)
तव	त्वद् (६.१)
मनोहरम्	मनोहर (१.१)
नानामृगगणाकीर्णं	नाना (अव्ययः)–मृग–गण–आकीर्ण (√आ-कृ + क्त, १.१)
प्रमृष्टं	प्रमृष्ट (√प्र-मृज् + क्त, १.१)
प्रमदावनम्	प्रमदा–वन (१.१)

छन्दः

अनुष्टुप् [८]

छन्दोविश्लेषणम्

१	२	३	४	५	६	७	८
ते	न	त्व	द्भू	त	रू	पे	ण
य	त्त	त्त	व	म	नो	ह	रम्
ना	ना	मृ	ग	ग	णा	की	र्णं
प्र	मृ	ष्टं	प्र	म	दा	व	नम्