amlaethai

Welsh

Etymology

From am- (“intensive prefix”) +‎ llaeth (“milk”) +‎ -ai (“noun suffix”). Possibly a calque of the genus name, which means "[giving] much milk", because the plant was once believed to induce milk production in dairy cows.

Noun

amlaethai m (plural amlaetheion)

1. milkwort (any of several species in the genus Polygala)

   Synonym: llaethlys

   1. common milkwort (Polygala vulgaris)

      Synonym: amlaethai cyffredin

References

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