o'r blaen

== Welsh == === Prepositional phrase === o'r blaen before, beforehand Synonym: o flaen llaw === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “o”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies