hy-

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See also: Appendix:Variations of "hy"

Welsh

Alternative forms

Etymology

From Middle Welsh hy-, from Old Welsh hi-, from Proto-Brythonic *hu-, from Proto-Celtic *su-, from Proto-Indo-European *h₁su- (“good”). Cognate with Cornish he- and Ancient Greek εὐ- (eu-, “good”).

Pronunciation

Prefix

hy-

  1. affirmative prefix, emphasises prefixed word
    ‎hy- + ‎rhwydd (“easy”) → ‎hyrwydd (“very easy”)
    ‎hy- + ‎glân (“clean”) → ‎hylan (“hygienic”)
  2. added to verbal roots, indicates 'easy to X', 'X-able'
    ‎hy- + ‎plyg (“folded”) → ‎hyblyg (“flexible”)
    ‎hy- + ‎byw (“alive”) → ‎hyfyw (“viable”)

Derived terms

Welsh terms prefixed with hy-

References

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