पूर्णप्रज्ञ भाष्य (श्रीमन् मध्वाचार्य - द्वैत वेदान्त ब्रह्मसूत्र महाभाष्य जगन्नाथदीपिका सटीक)

"? No.
Could it be "ह्रस्वं"?
Look at the characters:
ह + ्र = ह्र
स + ्व + ं = स्वं
Yes, it literally reads: ह्रस्वं !
Wait, could it be "ह्यस्य"? No, there's definitely an anusvara on the second letter, and the second letter is a conjunct with 'स'.
Wait, what about 'ह्रस्वं'?
Yes, 'ह्र' 'स्वं' = ह्रस्वं.

Wait, let's read the commentary in line 4 onwards:
पि श्रुत्यन्तरसिद्धशुक्लादिरूपत्रयवरूपादित्यमण्डलसाम्यस्य 'त्रि-
Notice the first word in line 4:
"पि" - this is the continuation of line 3: "तदंशस्या-" -> "पि"!
Wait! Line 3 ends with:
"तदंशस्या-"
And line 4 starts with:
"पि"!
Wait, but line 4 has "पि" in regular text, not bold?
Wait, look at line 3:
"( २५ ) यथा बाह्यामृतजलस्यामृतसमुद्रस्य चैकत्वं तदंशस्या"
Wait, is line 3 bold?
Yes, line 3 is BOLD:
"( २५ ) यथा बाह्यामृतजलस्यामृतसमुद्रस्य चैकत्वं तदंशस्या"
And line 4 starts with:
"पि श्रु