Welshismn.
/ˈwɛlʃɪz(ə)m/, U.S. /ˈwɛlʃɪz(ə)m/ A Welsh idiom or form of expression.
ΚΠ
1761 L. Morris Let. 11 Feb. in Cambrian Reg. 1795 (1796) 1 368 Wonder not then, Sir, if you find many Welshisms in my letters.
1840 I. Disraeli Misc. of Lit. (new ed.) II. 257 He observed..that they were not even English, nor intelligible to his accusers; but a few Welshisms could not save Ap Henry.
1887 Trans. Philol. Soc.: Abstr. Proc. 1886 7 May p. xxxii It is rather book English with a peculiar intonation very pleasant to hear, and a few Welshisms of phrase and vocabulary.
1968 Times 23 Sept. 2/6 Wrapped, as it was, in emotional Welshisms..the discussion on the Prince of Wales's investiture might have appeared ‘extreme’ to a phlegmatic Englishman.
2003 T. W. Machan Eng. in Middle Ages (2005) iii. 104 To early modern England, the Welshisms that Fluellen utters in Henry V were markers.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021).
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n.1761