A person who studies the origin of the words and its meaning is called an etymologist. Etymology is a branch of linguistics. I think all these are terms are named in English language, in every developed language there is a different term for each studies.
The wisdom of using an electric heater depends on the per kilowatt cost in your region. 1  If your heater has a 1000 watt rating and your cost of electricity is $0.15/Kwh your cost to operate for one hour would be $0.15. 2  If the element is activated 10 hours out of every 24 hours your cost per day would be $1.50.
Equipment Costs. The average price for a new gas furnace ranges from around $2,300 to $3,000 depending on manufacturer according to a November 2012 article by Consumer Reports. Qualitysmith.com estimates the cost of a new electric furnace at $1,000 to $1,500 as of December 2012.Electric space heaters can be found for much less at most home improvement stores.ssuming a furnace with a 78 percent efficiency, consumers should expect to pay roughly $12.96 per million BTUs of heat. While prices for gas and electricity vary over time and by region, gas furnaces typically cost much less to operate than electric furnaces or heaters.