[…] if […] all substrates have strong genetic and/or real resemblances, superstrate models are rare and relatively inaccessible, and the period of use is sufficiently long, there may develop a language that is (for at least a large core of speakers) ‘effable’, that is noticeably more homogeneous than Hawaiian Pidgin, yet that is not (or at least was not, until relatively recently) the native tongue of any of its speakers.
- Bickerton (1977), a pag.56