Where does “mainland China” come from?

mainland China (English) comes from English China, from Portuguese china, from Medieval Latin Sina, from Latin Sīnae, from Ancient Greek Σῖναι, from Arabic صِين, from Pahlavi čīn, from Sanskrit चीन — {{w|Qin |State of Qin}}, {{w|Qin dynasty}}; Qin.

mainland China (English): The People's Republic of China, viewed as the general geographical region administered by the PRC in the aftermath of the Chinese Civil War (as opposed to Hong Kong, Macau, and Taiwan which are coastal and insular areas)

Definitions

  1. The People's Republic of China, viewed as the general geographical region administered by the PRC in the aftermath of the Chinese Civil War (as opposed to Hong Kong, Macau, and Taiwan which are coastal and insular areas)

Ancestry of “mainland China”, step by step

mainland China traces back through two separate lines of ancestry.

via English China

StepLanguageWordMeaning
1EnglishChinaA Chinese person; Alternative form of cheyney:...
2Portuguesechinaa woman, especially one of Native American...
3Medieval LatinSina
4LatinSīnaethe Chinese, specifically
5Ancient GreekΣῖναιthe southern Chinese
6Arabicصِين
7Pahlavičīn
8Sanskritचीनthe Chinese people; China; a bandage for the...
9Old Chinese{{w|Qin |State of Qin}}, {{w|Qin dynasty}}; Qin

via English mainland

StepLanguageWordMeaning
1EnglishmainlandThe continent; the principal land, as...
2Middle Englishmayne londeA large swath of land or property; mainland; the...
3Middle EnglishlondAn independent nation, country or realm; A tribe,...
4Old Englishlandland; a country; region within a country:...
5Proto-West Germaniclandland, area of ground
6Proto-Germaniclandąland, area of ground
7Proto-Indo-Europeanlendʰ-land, heath; loins
Every word from Old Chinese Every word from Sanskrit चीनEvery word from Pahlavi čīn