treiddio

== Welsh == === Etymology === From traidd (“penetration, piercing”) +‎ -io. === Pronunciation === IPA(key): /ˈtreiðjɔ/ === Verb === treiddio (first-person singular present treiddiaf)(transitive) to penetrate, to pierce, to permeate ==== Conjugation ==== ==== Derived terms ==== treiddiad m (“penetration”) ==== Related terms ==== treiddgar (“penetrating”, adjective) treiddiol (“penetrating”, adjective) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “treiddio”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies