cym | ISO 639-3 Skip to main content Toggle navigation Contact Us Search Search Home About ISO 639-3 FAQs Relationship between ISO 639-3 and the other sets of ISO 639 Scope of Denotation Types of Languages Code Tables Language Codes Macrolanguage Mappings Deprecated Codes Download Tables Code Changes Introduction to Code Changes Change Management Notification of Changes Submitting Change Requests Change Request Index Archive of Notifications ISO 639-3 Code Tables Change Requests 639 Identifier Documentation: cym << Back to Code Tables Welsh [cym] When two 639-2 codes are provided for the same language, they are to be considered synonyms. The first is from the code set for terminology applications (ISO 639-2/T) and the second is from the code set for bibliographic applications (ISO 639-2/B). Identifier Language Name(s) Status Code Sets Equivalent(s) Scope Language Type Denotations cym Welsh Active 639-2, 639-2/T, 639-3 639-1: cy 639-2/B: wel 639-2/T and 639-3: cym Individual Living Ethnologue, Glottolog, Wikipedia About ISO 639-3 About ISO 639-3 FAQ Relationship to other parts of ISO 639 Scope of Denotation Types of Languages Code Tables Macrolanguage Mappings Download Tables Code Changes Introduction to Code Changes Change Management Notification of Changes Submitting Change Requests Archive of Notifications Archive of Notifications Contact Us Contact Us Copyright © 2026 SIL Global Terms of Use Privacy Policy External Links Disclaimer