[1930–35; ‹ Sp; cf. farruco defiant, bold, arrogant, allegedly after farruco a Galician or Asturian who has recently emigrated, hypocoristic form of Francisco Francis]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: acoustic phonetics, cloverleaf, hypercorrection, preset, uncertainty principle