Ramayana
तःखडगंसमुद्यम्यत्रिशिराराक्षसोत्तमः । निजघानतदाव्यूढेवायुपुत्रस्यवक्षसि ॥ ६-७०-४१
Trisira, the foremost of Rakshasas then lifted his sword, placed it on the chest of Hanuman and dug into it. ॥ 6-70-41॥
english translation
taHkhaDagaMsamudyamyatrizirArAkSasottamaH । nijaghAnatadAvyUDhevAyuputrasyavakSasi ॥ 6-70-41
hk transliteration by Sanscript