The noun comes from the verb sincan 'to sink' — a sink was originally a cesspool where water drained away.
A fixed basin with a water supply and drain, used for washing.
The noun derives from the verb sincan 'to sink, submerge,' from Proto-Germanic *sinkwaną. A sink was originally any pit or cesspool where water drained away — the plumbed kitchen fixture sense is from the mid-15th century. The verb is much older, attested from before 900 CE. Key roots: *sengw- (Proto-Indo-European: "to sink,