Shiva Purana

siva.sh/siva-purana/uma-samhita/48/37

निपातितेऽमानबलेऽसुरप्रभुः कनीयसि भ्रातरि रोषपूरितः ।। रथस्थितो बाहुभिरष्ट भिर्वृतो जगाम यत्र प्रमदा महेशितुः ।। ३७ ।।

sanskrit

When his younger brother of great honour and strength fell Śumbha was furious. The eight-armed demon seated himself in a chariot and came to the place where Śivā was present.

english translation

nipAtite'mAnabale'suraprabhuH kanIyasi bhrAtari roSapUritaH || rathasthito bAhubhiraSTa bhirvRto jagAma yatra pramadA mahezituH || 37 ||

hk transliteration by Sanscript