Siam (former name of Thailand: a country in Southeast Asia)
köken: From a neighbouring language, probably Khmer សៀម (siəm) or directly Thai เสียม (sǐiam). The regular reading of 暹 (MC sjem) is Tiêm, which is indeed attested, most commonly in the obsolete Tiêm La.
aile: dừa xiêm, hồng xiêm, mãng cầu xiêm, vịt xiêm
Siam (former name of Thailand: a country in Southeast Asia) · Thailand (a country in Southeast Asia); Thai
köken: Inherited from Middle Khmer សៀម (siama), from Angkorian Old Khmer ស្យាំ (syāṃ), from Pre-Angkorian Old Khmer ស្យាំ (syāṃ), ស្យំ (syaṃ) (first attested in c. 578-677 AD).