Valmiki Ramayana 6.55.10

व्यस्फुरन्नयनं चास्य सव्यं युद्धाभिनन्दिनः ।विवर्णो मुखवर्णश्च गद्गदश्चाभवत् स्वनः॥

vyasphurannayanaṃ cāsya savyaṃ yuddhābhinandinaḥ |vivarṇo mukhavarṇaśca gadgadaścābhavat svanaḥ ||

Our plain-language meaning of this verse is waiting for scholar review.