fianchetto

 
Pronunciation: /ˌfɪənˈtʃɛtəʊ, -ˈkɛtəʊ/
Chess

noun (plural fianchettoes)

  • the development of a bishop by moving it one square to a long diagonal of the board.

verb (fianchettoes, fianchettoing, fianchettoed)

[with object]
  • develop (a bishop) by moving it one square to a long diagonal of the board.

Origin:

mid 19th century: from Italian, diminutive of fianco 'flank', ultimately of Germanic origin