probably from kegchros (millet); Cenchreae, a port of Corinth:--Cencrea.
Cenchrea = "millet"
the eastern harbour of Corinth (i.e. its harbour on the Saronic Gulf) and the emporium of its trade with the Asiatic shores of the Mediterranean, as Lechaeum on the Corinthian Gulf connected it with Italy and the west
