UK penn'orth [noun] [U] [dated]A pennyworth or penn'orth of something is as much as can be bought for a penny.I'd like a pennyworth of humbugs, please.(figurative) It won't make a pennyworth of difference (= It will make no difference) to me.
PENNYWORTH
Meaning of PENNYWORTH in English
Cambridge English vocab. Кембриджский английский словарь. 2012