Window History

Window is very important.

The etymology of the window is wind-ou.

The meaning of wind is wind.

The meaning of ou is eyes.

In other words it is a thing for ventilation.

There are two meanings to a window.

Function as a wall.

Second is a function as the ventilation.

There were no windows in old days.

The first window was just a hole.

It was made since a house developed.

The window are different by culture.

This photo is a European window.

Such a window is famous.

Next photo is plaha.

There is no glass.

A lot of arch types are used in the Europe.

This phto is japan window in old day.