सिद्धान्तशिरोमणि: गणिताध्याय (भास्कराचार्य - ग्रहगणित, मध्यमाधिकार व स्पष्टाधिकार सटीक)

"? Let's zoom in on that glyph: It has:

• vertical line
• a loop to the left Wait, does it have a loop? Yes! A closed oval loop on the left of the vertical stem! Wait! An oval loop on the left of a vertical stem with a flat top is... 'व'! Wait, does 'च' have an oval loop? No, 'च' has an open curve! Wait, but look at the letter 'व' in "एतदेव": In "एतदेव", the 'व' has the EXACT same shape! Wait, could it be a misprint in the original book? Yes, old Indian presses often confused च and व. Wait, let's look at the letter again: Does it have an open top or closed loop? Looking at: त ित िथ [letter] क ं Wait, between 'थि' and 'क', look at the glyph: Wait, is the loop closed or open? It is completely closed, like 'व'! Wait, but wait! What if it's 'च'? In some fonts, ink fill makes 'च' look closed, or the typesetter mistakenly picked 'व' instead of 'च'. Wait, what about the 'क'? Does it have a repha or r-stroke? Wait! Look at "तिथिवक्रं" vs "तिथिचक्रं": Wait, is it "तिथिव्रतं"? No, the letter after