Valmiki Ramayana Sundara Kanda Sarga 1 Shloka 38
Original Shlokaपद्भ्यां दृढमवस्थानं कृत्वा स कपिकुञ्जरः। निकुञ्च्य कर्णौ हनुमानुत्पतिष्यन् महाबलः।। वानरान् वानरश्रेष्ठ इदं वचनमब्रवीत्।।5.1.38।।
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कपिकुञ्जरः an elephant among monkeys, महाबलः very strong one, वानरश्रेष्ठः best of vanaras, सः हनुमान् that Hanuman, पद्भ्याम् feet, दृढम् firmly, अवस्थानम् standing in that position, कृत्वा did, कर्णौ ears, निकुञ्च्य contracted, उत्पतिष्यन् while preparing to leap, वानरान् vanaras, इदम् this, वचनम् word, अब्रवीत् said.
A mighty elephant among vanaras, Hanuman holding his feet firmly and standing in that position, contracted his ears and addressed the monkeys, when he was about to leap: