umbershoot--prophetes.ai

umbershoot nonce-wd.
  (ˈʌmbəʃuːt)
  [Perh. fanciful formation f. umbrella and shoot n. Cf. umber n.¹]
  (A word of obscure meaning.)

1922 Joyce Ulysses 189 Crosslegged under an umbrel umbershoot he thrones an Aztec logos.

Oxford English Dictionary