Where does “사인하다” come from?

사인하다 (Korean) comes from Korean 사인, from English sine, from Latin sinus, from Arabic جَيْب, from Sanskrit ज्या, from Sanskrit जीव, from Proto-Indo-Aryan ȷ́iHwás, from Proto-Indo-Iranian ǰiHwás — to live.

사인하다 (Korean): to sign

Definitions

  1. to sign

Ancestry of “사인하다”, step by step

사인하다 traces back through two separate lines of ancestry.

via Korean 사인

StepLanguageWordMeaning
1Korean사인signature; autograph; signal
2EnglishsineIn a right triangle, the ratio of the length of...
3Latinsinusa hollow, cavity; curve, fold, winding; gulf, bay
4Arabicجَيْبpocket; opening in a garment; pocket; bosom, fold...
5Sanskritज्याbow-string, tendon; sine
6Sanskritजीवalive, living; life, existence; any living being,...
7Proto-Indo-Aryanȷ́iHwás
8Proto-Indo-IranianǰiHwásalive
9Proto-Indo-Europeangʷih₃wósalive, living
10Proto-Indo-Europeangʷeih₃w-to live

via Korean ―하다

StepLanguageWordMeaning
1Korean―하다
Every word from Proto-Indo-European gʷeih₃w-Every word from Proto-Indo-European gʷih₃wósEvery word from Proto-Indo-Iranian ǰiHwás