galwad a chyflenwad

== Welsh == === Etymology === Literally, “demand and supply”. === Noun === galwad a chyflenwad m (plural galwadau a chyflenwadau) supply and demand ==== Synonyms ==== cyflenwad a galw galw a chyflenwi === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “galwad a chyflenwad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies