大学
だいがく
former imperial university of Japan (established under the ritsuryō system for the training of government administrators)
アリ学 is read as ありがく (arigaku) and means myrmecology.
ありがく
arigaku
アリさんはアリ学に興味がだいぶありそうです。
It seems that Ali is very interested in Myrmecology.