Yartha is the correct way to pronounce the word Earth or Earthe. The original word was Gyartha which is related to Garden, Godin, God, Guard, Gaul, Goth, or Gearthe-mania which is the original for the shortened Germany. Possibly linked to Gaia, the earth goddess in Greek mythology.
“What’s all this stuff about clash of civilizations? It’s very simple. You go to the library. You read the books. You read the history. You learn the language. You go and live in those countries. And on the basis of that, you understand them.”
http://countrystudies.us/ US full length books ; http://www.ethnologue.com/web.asp Full text online ; http://water.worldcitydb.com/ Geographical information on water, cities, structures ; http://www.intute.ac.uk/sciences/cgi-bin/browse.pl?id=433 ; http://oceandots.com/southern/campbell/ Islands ;
Further entities with ambiguous status that are not listed above : Abkhazia, Adjaria, Balochistan, Basque Country, East Turkistan, Faro Islands, Greenland, Kurdistan, South Ossetia, Nagorno-Karabach, Puntland, Somaliland, South Sudan, Transdniestr, Åland, ...