अन्वयः

यत्कृकते on whose account, चिन्तयानस्य with this thought, शोकार्तस्य is in grief, ममपितुः my father, गात्रैः body, शयनम् bed, अस्पृष्टवा not understood clearly, त्रियामा three periods, शर्वरी night, याति passed away, यत्कृते by what action, कृत्स्ना dark, इयंलङ्का this Lanka, वर्षासु raining, नदीइव like river, आकुला agitated, सः he, अयम् all, सर्वेषाम् all of us, मूलहरः root cause, अनर्थः got rid of, मया by me, निहतः killed.

M N Dutt

He for whom my father was exercise with anxiety and tormented by grief, for whom my sire used to spend nights without pressing his bed, for whom this entire Lankā had resembled a river turbulent in the rainy reason, that same evil sticking by the root of all, has been dispensed his quietus by me.

Summary

"On whose account my father was in grief and spent all night and passed the three parts of the night (without sleep) and why he was unable to sleep was not understood clearly. By his (Rama's) action this Lanka is agitated like a river during the rainy season. He, who is the root cause of this calamity, has been got rid of by me," thought Indrajith.

पदच्छेदः

यत्कृते	यत्कृते (अव्ययः)
चिन्तयानस्य	चिन्तयान (√चिन्तय् + शानच्, ६.१)
शोकार्तस्य	शोक–आर्त (६.१)
पितुर्	पितृ (६.१)
मम	मद् (६.१)
अस्पृष्ट्वा	अस्पृष्ट्वा (अव्ययः)
शयनं	शयन (२.१)
गात्रैस्त्रियामा	गात्र (३.३)–त्रि–याम (१.१)
याति	याति (√या लट् प्र.पु. एक.)
शर्वरी	शर्वरी (१.१)

छन्दः

अनुष्टुप् [८]

छन्दोविश्लेषणम्

१	२	३	४	५	६	७	८
य	त्कृ	ते	चि	न्त	या	न	स्य
शो	का	र्त	स्य	पि	तु	र्म	म
अ	स्पृ	ष्ट्वा	श	य	नं	गा	त्रै
स्त्रि	या	मा	या	ति	श	र्व	ती