Where does “整数論” come from?

整数論 (Japanese) comes from Japanese 論, from Japanese 統辞論, from Japanese 統辞 — syntax.

Ancestry of “整数論”, step by step

整数論 traces back through two separate lines of ancestry.

via Japanese 論

StepLanguageWordMeaning
1Japanese論theory
2Japanese統辞論syntax as a field of study, syntactics
3Japanese統辞syntax

via Japanese 整数

StepLanguageWordMeaning
1Japanese整数an integer
Every word from Japanese 統辞 →Every word from Japanese 論 →Every word from Japanese 統辞論 →