hollti blewyn

== Welsh == === Idiom === hollti blewyn alternative form of hollti blew (“to split hairs”) === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “hollti blewyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies