If we disavow these backlinks from GSC on site Y, will ourwebsite.com's Backlink authority and indirectly Google rankings decrease? Why does site Y use ourwebsite.com and redirect through it instead of getting this backlink directly from university's website (instead of transferring that backlink score directly to itself)?

Backlinks of the type /ourwebsite.com/redirectUrl=Y.com were given to my website from a university's website. "Y" is a website that I don't know. For this reason, the total number of backlinks on my website is more than 1 million. My website is a Worpress based.

So how does removing backlinks affect my Google search results? Is there any solution other than removing backlinks? Will these types of backlinks positively affect my backlink authority? If I disavow these types of backlinks, will my backlink authority be negatively affected? If we disavow these backlinks from GSC on site Y, will ourwebsite.com's Backlink authority and indirectly Google rankings decrease? Why does site Y use ourwebsite.com and redirect through it instead of getting this backlink directly from university's website (instead of transferring that backlink score directly to itself)?