Log24

Monday, February 20, 2017

Tetrad

Filed under: General — Tags: , — m759 @ 10:31 pm

Wiktionary —

Russian noun . . .

тетра́дь   (tetrádʹ)  f  inan 
(genitive  тетра́ди
nominative plural  тетра́ди
genitive plural  тетра́дей)

Etymology

Borrowing from Ancient Greek τετράδιον  ‎(tetrádion, 
“quaternion of parchment”), from τετράς  ‎(tetrás),

Noun

  1.  exercise book, notebook


See also Tetrad in this journal.

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