gwaddod

• (North Wales) IPA^(key): /ˈɡwaðɔd/
• (South Wales) IPA^(key): /ˈɡwa(ː)ðɔd/

From Proto-Celtic *wodātu. Synchrynically analysable as a deverbalisation of gwaddodi (“to precipitate”).

gwaddod m (plural gwaddodion)

1. dregs, lees

   Synonyms: gwaelodion, gwehilion, sorod

2. (geology) sediment

   Synonym: dyddodion

3. (chemistry) precipitate

• gwaddodol (“sedimentary”)
• llifwaddod (“alluvium”)

• gwaddodiad (“precipitation”)

gwadd (“mole”) +‎ -od

gwaddod

1. plural of gwadd or gwadden (“mole”)

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “gwaddod”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
• The Language Technologies Unit of the Bedwyr Center of Bangor University (2023) “precipitate”, in Y Termiadur Addysg.