hafaidd

== Welsh == === Etymology === From haf (“summer”) +‎ -aidd. === Adjective === hafaidd (feminine singular hafaidd, plural hafaidd, equative mor hafaidd, comparative mwy hafaidd, superlative mwyaf hafaidd, not mutable) summery, estival ==== Derived terms ==== hafeiddio (“become summery”, verb) === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “hafaidd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies