काशिका वृत्ति (आचार्य वामन एवं जयादित्य - अष्टाध्यायी सूत्र-वृत्ति सम्पूर्ण सान्वय सटीक)

: Line 30: अयःकारः । उपपयःकामः । विसर्जनीयस्थानिकस्य सकारस्य उपचार इति संज्ञा ।Wait, does it sayअयस्कारः? Let's look closely at अयःकारः: it has a visarga: अयःकारःorपयःकारः? Wait, why would it be visarga? Ah! "उपचार" is defined as: "विसर्जनीयस्थानिकस्य सकारस्य उपचार इति संज्ञा।" (The substitute 's' in place of visarga is called 'upacāra'). Wait, if upacāra is the s-substitution, then the example of अव्ययीभाव avoiding it would have visarga (उपपयःकामः), while the example having it would have s (उपपयस्कारः? No, non-avyaya has s: पयस्कारः). Wait, why does it look like पयःकारः? Wait, look at the glyph: is it पयःकारःorपयस्कारः? It is पयःकारः! The printer might have printed visarga by mistake, or it is पयःकारः? Wait, no, look at the two dots: yes, there are two dots like visarga: पयःकारःorअयःकारः! Wait, let's look at line 1 again: द्वित एधा