western lands; the West
Historical term for lands to the west of China, especially India and Central Asia, and later extended to the West in general. Often used in Buddhist or classical contexts.
Xuanzang set out for the western lands in search of scriptures.
This book describes in detail the customs of the western lands.
From Chinese 西土 (xītǔ), literally 'western land'. The term was adopted into Japanese with the same meaning, primarily used in historical and Buddhist writings.