Welsh

edit

Etymology

edit

From atchwelyd (to regress) +‎ -iad.

Noun

edit

atchweliad m (plural atchweliadau)

  1. return
    Synonyms: atchwel, dychweliad
  2. (biology, genetics, psychology, statistics) regression
    Synonym: atchwel

References

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