balch (“proud”) +‎ -der

• IPA^(key): /ˈbalχdɛr/, [ˈbalχtɛr]
  • (North Wales, colloquial also) IPA^(key): /ˈbalχdar/, [ˈbalχtar]

balchder m (usually uncountable, plural balchderau)

1. pride, glory

   Synonyms: syberwyd, gogoniant, gwychder

2. dignity

   Synonym: urddas

3. (LGBTQ, as Balchder) Pride (festival and movement of and for LGBT people)
   1. (countable) an instance of such a festival
4. pride, conceit, arrogance
   • 1588, Y Beibl cyssegr-lan, Diarhebion 16:18:

     Balchder sydd yn myned o flaen dinistr: ac uchder ysbryd o flaen cwymp.

     Pride goes before destruction, and a haughty spirit before a fall.

   Synonyms: rhwysg, trahauster, ffroenucheledd, coegfalchder

• balchder hoyw (“gay pride”)
• balchder Llundain (“several plants, including London pride”)
• coegfalchder (“conceit”)
• parêd balchder (“pride parade”)

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “balchder”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies