atborth

== Welsh == === Alternative forms === adborth === Etymology === From at- +‎ porth (“aid; food”). === Pronunciation === IPA(key): /ˈatbɔrθ/ === Noun === atborth m (plural atborthion) feedback ==== Usage notes ==== The form atborth is considered to be the "correct" form of this word as it follows rule that the prefix at- rather than ad- precedes the letter p before mutating it to b. However, the alternative form adborth is more commonly used and understood. ==== Derived terms ==== atborthi (“give feedback”, verb) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “atborth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies