What is the difference between real gdp and nominal gdp?
real gdp is accurate to hundreds of dollars; nominal gdp is accurate to thousands of dollars.
real gdp allows for depreciation; nominal gdp allows for no depreciation.
real gdp includes nonmarket activities; nominal gdp has no nonmarket activities.
real gdp is based on constant prices; nominal gdp is based on the current year's prices.

The three steps before modern english were indo-european, germanic, and old english. as peoples moved around the eurasian continent, their languages changed. throughout the ages, the languages became more specialized. as english has many germanic influences, it is easy to see how this was one of the forebears. also, old english was one of the main ancestors of the modern language, spoken in the 5th through about the 13th centuries.