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

= enemy; द्विषन् नृपः = enemy king!).
Wait! An enemy king!
In Sanskrit, द्विष् means enemy! An enemy king administers poison to elephants!
Remember poison in elephant warfare: an enemy king poisons the elephants of his rival!
That's why it says:
पूर्वोक्तैः कारणैर्नागो यदा युञ्जे... द्विषे नृपः (or द्विषा नृपः / द्विषता नृप?)
Wait, if द्विषे is enemy, or द्विष्टे?
Look at that word: द्वि then षे!
Wait, what is inside the parentheses?
( ङ्गा )?
Wait, if it's enemy: नागो यदा युञ्जे...
Wait! Look at the letter inside the parentheses again:
Could it be ( ङ्गा )?
Wait, what if it is: यदा युङ्क्ते with a typo in the original manuscript?
Let's look at:
युञ्जे( ङ्गा )द्विषे नृपः ॥
Wait, let's look at character 4 in parentheses:
Is it ङ्गा?
Wait, could it be रूपा? No.
Could it be ङ्का?
Look at