हस्त्यायुर्वेद: गजशास्त्र (पालकाप्य मुनि - सम्पूर्ण गज-चिकित्सा, शरीर-रचना एवं मत्त-गज प्रबन्धन)

'? No, look at the top: it looks like 'त' with 'ू'? "त्तू"?
Wait, look at 'कौ' after it: 'क्कौ' (double k with au).
So it is definitely related to "सृक्कौ" (the corners of the mouth, which elephants move while eating!).
Wait, how is it printed?
Look at the glyphs:
द (da) श (śa) भि (bhi) श्चा (ścā) ल (la) ये (ye) or य (ya)?
It's 'ये' or 'य'? It's 'य' (ya).
Then: 'त्' (t).
Then: a letter with 'ू': is it 'स' with 'ू'? Look at the left: it has a loop like 'स' or 'र'? It has a round belly on the left, but wait, look at 'स' in 'दशभि': no loop at top.
Wait, look at 'तू' in 'कौतूहल': 'तू' has a rounded curve and a 'ू' stroke below.
Here, the letter after 'त्' has a round curve, and a 'ू' stroke below: "त्तू"? Or "त्सृ"?
Wait, if it's "त्तूक्कौ", that's a misprint for "त्सृक्कौ"!
Wait, could it be "त्सृक्कौ"? In Devanagari, 'सृ' has a 'ृ' (c