अणुभाष्य (महाप्रभु वल्लभाचार्य - शुद्धाद्वैत वेदान्त ब्रह्मसूत्र महाभाष्य प्रकाश टीका सहित)

'?
Could it be 'मू'? A 'म' with dirgha 'ू'?
If it's 'म', does it have a loop?
Wait, look at 'का': a 'क' has a loop on the left AND a curve on the right.
Wait, does this letter have a curve on the right?
YES, the right side hangs down like 'क'.
Wait, what if it's 'मूर्च्छाकर्तृ'?
No, 'म' doesn't have a right hook.
Wait, what about "काङ्क्षाकर्तृ"?
Let's look at:
क (ka)
ा (aa)
ङ्क्ष (nksha)
ा (aa)
Yes, ङ् + ष = ङ्क्ष, with aa matra = काङ्क्षा!
Wait, or is it "काङ्क्षाकर्तृ"?
Let's check the letters:
क
ा
ङ् (with dot/virama)
क्ष
ा
Yes, look at the conjunct: it has the top shelf of 'ङ' with dot, and 'ष' below, or is it just 'ङ्क्ष'?
It looks extremely like 'ङ्क्षा'! "काङ्क्षाकर्तृ वा ।"

Wait, let's look at L21-26 very carefully:
तदेव सन्त इति तदेवसन्तस्तदु तद्भवामो न चेदवेदीन्महती विनष्टि येन विदुरमृतास्तेभवन्त्यथेतरे दुःख-
Wait,