Valmiki Ramayana Kishkindha Kanda Sarga 37 Shloka 16
Original Shlokaतस्य वानर राजस्य श्रुत्वा वायुसुतो वचः। दिक्षु सर्वासु विक्रान्तान्प्रेषयामास वानरान्।।4.37.16।।
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वायुसुतः son of Windgod, तस्य वानरराजस्य that monkey king's, वचः words, श्रुत्वा on hearing, सर्वासु in all, दिक्षु in directions, विक्रान्तान् advancing, वानरान् monkeys, प्रेषयामास sent for.
Having heard Sugriva's command, Hanuman, son of the Windgod, sent powerful monkeys in all directions.