Where does “実験室” come from?

実験室 (Japanese) comes from Japanese 室, from Middle Chinese 室.

Ancestry of “実験室”, step by step

実験室 traces back through two separate lines of ancestry.

via Japanese 室

StepLanguageWordMeaning
1Japanese室room
2Middle Chinese室—

via Japanese 実験

StepLanguageWordMeaning
1Japanese実験experiment
Every word from Middle Chinese 室 →Every word from Japanese 室 →