英和和英

語源 1

Compare Spanish redundar (“to overflow”).

名詞

dunder (uncountable)

1. (Caribbean) The lees or dregs of cane juice, used in the distillation of rum.
   • 1793, Bryan Edwards, The History, Civil and Commercial, of the British Colonies in the West Indies‎^[1], Dublin: Luke White, Volume II, Book V, Chapter 2, p. 231:

     The use of dunder in the making of rum, answers the purpose of yeast in the fermentation of flour.

2. (Australia) Distillery effluent.^[1]

   Synonyms: stillage, sour mash, vinasse, vinhaca

派生語

• dunderheaded

参照

• “dunder”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

語源 2

Blend of double +‎ under(score)

名詞

dunder (複数形 dunders)

1. (programming, informal) A double underscore, __.
   • 2012, Matt Harrison, Treading on Python, volume 1, →ISBN, page 101:

     Python has a dunder method, __iter__, that defines what the behavior is for looping over an instance.

アナグラム

• Durden, durned