o glun i glun

== Welsh == === Etymology === Literally “from thigh to thigh”. === Prepositional phrase === o glun i glun step by step Synonyms: yn raddol, yn gynyddol, cam a cham, o gam i gam, o hwrdd i hwrdd, chwŷf na chwŷf, o radd i radd, wrth raddau, o ris i ris, bob yn gam === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “o glun i glun”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies