gollwng i lawr

== Welsh == === Etymology === Calque of English let down. === Verb === gollwng i lawr (first-person singular present gollyngaf i lawr) to let down, to allow to move downwards (idiomatic) to let down, to disappoint Synonym: gadael i lawr === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gollyngaf”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies