再帰 さいき てきサブルーチンでしょう
sa ikite ki saburūchindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 再帰的サブルーチン

1. Recursive subroutine, likely.; Probably a recursive subroutine.

Polite
Presumptive
Conjecture
Computing