Where does “หลับใน” come from?

หลับใน (Thai) comes from Thai ใน, from Thai มหาสมุทร, from Thai สมุทร, from Sanskrit समुद्र, from Sanskrit सम्-, from Proto-Indo-Iranian sam-, from Proto-Indo-European sem- — together, one.

หลับใน (Thai): to doze off

Definitions

  1. to doze off

Ancestry of “หลับใน”, step by step

หลับใน traces back through two separate lines of ancestry.

via Thai ใน

StepLanguageWordMeaning
1Thaiในin; inside; within; amidst; into; on; at; during;...
2Thaiมหาสมุทรocean
3Thaiสมุทรsea
4Sanskritसमुद्रthe sea; ocean
5Sanskritसम्-with, together with, along with, together,...
6Proto-Indo-Iraniansam-together, joint, paired
7Proto-Indo-Europeansem-together, one

via Thai หลับ

StepLanguageWordMeaning
1Thaiหลับto close; to sleep
2Proto-Taiʰlapᴰto close
Every word from Proto-Indo-European sem- →Every word from Sanskrit सम्- →Every word from Sanskrit समुद्र →