पूर्वम् earlier, अस्माकमपि even I also, कश्चित् some, गतिपराक्रमः very courageous, आसीत् had , ते वयम् for me, साम्प्रतम् attained, वयसः (old) age, पारम् fag end of life, अनुप्राप्ताः स्म have reached.

'Earlier I was also very courageous, but now I have become old and reached the fag end of life.