ystum

Old English

Noun

ȳstum

  1. dative plural of ȳst

Welsh

Etymology

From Middle Welsh ystum, from Proto-Celtic *tou(x)sman (bend, arch, curve). Cognate with Irish tuaim (tumulus).

Pronunciation

Noun

ystum m or f (plural ystumiau)

  1. gesture, posture, pose
    Synonyms: amnaid, arwydd, osgo
  2. form, shape
  3. turning, curve, meander
    Synonyms: osgo, tro
  4. (in the plural) grimace

Derived terms

  • ystumddrwg (wily, scheming)
  • ystumgar (flexible, pliant)
  • ystumio (distort; meander)
  • ystumiog (distorted, misshapen)
  • ystumllyn (oxbow lake)

Further reading

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