The affix ṭhañ comes in the sense of 'who goes' after the word yojana in the Accusative -2nd case construction.,
Thus योजनं गच्छति = यौजनिकः ॥
Vart:- So also after the words क्रोशशत and योजनशत. As क्रौशशतिकः, यौजनशतिकः ॥
Vart:- The affix after these two words means also \who is worthy to be approached from so far\. As क्रोशशतादभिगमनमर्हति = क्रौशशतिको भिक्षुः, यौजनशतिक आचार्यः ॥,