The affix ṇa comes in the sense of 'excellent with regard thereto' after the word bhakta,
This debars यत्; thus, भक्ते साधुः = माक्तः शालिः 'rice' lit. suitable or excellent for food. भाक्ता स्तण्डुलाः ॥,
Adhyāya 4 · Pāda 4 · Rule 100
The affix ṇa comes in the sense of 'excellent with regard thereto' after the word bhakta,
This debars यत्; thus, भक्ते साधुः = माक्तः शालिः 'rice' lit. suitable or excellent for food. भाक्ता स्तण्डुलाः ॥,