[Oc.to.ber] n [ME Octobre, fr. OE & OF; OE October, fr. L, 8th month of the early Roman calendar, fr. octo; OF, fr. L October] (bef. 12c): the 10th month of the Gregorian calendar
OCTOBER
Meaning of OCTOBER in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012