Where does “글씨” come from?

글씨 (Korean) comes from Korean —이, from Middle Korean 이 — person.

글씨 (Korean): character, letter

Definitions

  1. character, letter

Ancestry of “글씨”, step by step

글씨 traces back through two separate lines of ancestry.

via Korean —이

StepLanguageWordMeaning
1Korean—이For non-honorific nouns ending in consonants, the nominative case particle marking it as the subject of a verb or adjective; see also Usage Notes
2Middle Koreanperson

via Korean

StepLanguageWordMeaning
1Koreana piece of writing; a written work such as a book...
Every word from Middle Korean Every word from Korean —이