pedantic

marked by a narrow focus on or display of learning especially its trivial aspects

Of or pertaining to a pedant; characteristic of, or resembling, a pedant; ostentatious of learning; as, a pedantic writer; a pedantic description; a pedantical affectation.

from Latin 'pedagogicus', related to a teacher's petty concerns

“Proceeding at once to the comments of these high-class missionaries on the really curious inquisitiveness of certain of the foreign passengers on board, he introduced to them the indisputably learned, the very argumentative, crashing, arrogant, pedantic, dogmatic, philological German gentleman, Dr.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

“As an exercise in Scots baronial, it is sometimes described as too ordered, pedantic, and even Germanic as a consequence of Prince Albert's influence on the design.”