Valmiki Ramayana Sundara Kanda Sarga 47 Shloka 33

महारथः great charioteer, सः that, रथम् chariot, परित्यज्य abandoned, सकार्मुकः held his bow, खङ्गधरः held a sword, खम् sky, उत्पतन् flew up,उग्रवीर्यवान् who had fierce power, देहम् body, विहाय after leaving, तपोभियोगात् with ascetic power, मरुताम् of Maruta, आलयम् abode, ऋषिः इव like ascetic

(Aksha) the great charioteer abandoned the chariot, held a sword and a bow, and flew up to the region of the sky with his fierce power just as a sage with his fearsome ascetic power ascends to heaven, leaving his body.