beamish

From beam + -ish.

• enPR: bē'mĭsh, IPA^(key): /ˈbiːmɪʃ/
• Rhymes: -iːmɪʃ

beamish (comparative more beamish, superlative most beamish)

1. (nonce word) Radiantly beaming; happy; cheerful.
   • 1872, Lewis Carroll, Jabberwocky:

     And hast thou slain the Jabberwock?
     Come to my arms, my beamish boy!

   • 1874–1876 (date written), Lewis Carroll [pseudonym; Charles Lutwidge Dodgson], “Fit the Fit the Third.⁠ The Baker’s Tale.”, in The Hunting of the Snark […], London: Macmillan and Co., published March 1876, →OCLC:

     But oh, beamish nephew, beware of the day,
     If your Snark be a Boojum!