Where does “楽天観” come from?

楽天観 (Japanese) comes from Japanese 観, from Middle Chinese 觀.

楽天観 (Japanese): optimistic view of life; optimism

Definitions

  1. optimistic view of life; optimism

Ancestry of “楽天観”, step by step

楽天観 traces back through two separate lines of ancestry.

via Japanese 観

StepLanguageWordMeaning
1Japanese観look, appearance; sight; observation meditation
2Middle Chinese觀—

via Japanese 楽天

StepLanguageWordMeaning
1Japanese楽天optimism
Every word from Middle Chinese 觀 →Every word from Japanese 観 →