What is this character from a neo-Confucian commentary?

Question

I cannot identify this character anywhere in my dictionaries.

Any help would be greatly appreciated.

Answer 1

“槩” (u+69e9) is a variant of character “概”

https://dict.variants.moe.edu.tw/variants/rbt/word_attribute.rbt?quote_code=QjAxNzgzLTAwMg

quite common in older / ancient editions of books 😸