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chess [chess 词源字典]: chess: [13] The game of chess was named after its key move, in which the king is put in check. The plural of Old French eschec (from which we get check) was esches, which in Middle English became chess. (A roughly contemporary English term for the game was chequer, but this died out in the 15th century.) Old French eschec came ultimately from Persian shāh ‘king’, reflecting the game’s eastern origins. However, the terms for the game in Persian (chatrang) and Sanskrit (chaturanga) signify ‘four members of an army’ – namely, elephants, horses, chariots, and foot-soldiers.
=> check, cheque, exchequer[chess etymology, chess origin, 英语词源]
duchess: duchess: see duke
hessian: hessian: [19] In common with many other sorts of textile, such as denim, jersey, and worsted, hessian’s name reveals its place of origin. In this case it was Hesse, formerly a grand duchy, nowadays a state of West Germany, in the western central part of the country.
archduchess (n.): 1610s; see arch- + duchess. Also compare archduke.
chess (n.): 13c., from Old French esches "chessmen," plural of eschec "game of chess, chessboard; checkmate" (see check (n.1)), from the key move of the game. Modern French still distinguishes échec "check, blow, rebuff, defeat," from plural échecs "chess."

The original word for "chess" is Sanskrit chaturanga "four members of an army" -- elephants, horses, chariots, foot soldiers. This is preserved in Spanish ajedrez, from Arabic (al) shat-ranj, from Persian chatrang, from the Sanskrit word.
The chess pieces are the block alphabet which shapes thoughts; and these thoughts, although making a visual design on the chessboard, express their beauty abstractly, like a poem. [Marcel Duchamp, address to New York State Chess Association, Aug. 30, 1952]
chess-board (n.): mid-15c., from chess + board (n.1).
chessmen (n.): also chess-men, late 15c., from chess + men.
duchess (n.): c. 1300, from Old French duchesse, from Late Latin or Medieval Latin ducissa, fem. of dux (see duke (n.)). Often spelled dutchess until early 19c. (as in Dutchess County, New York, U.S.).
Hessian (n.): "resident of the former Landgraviate of Hessen-Kassel," western Germany; its soldiers being hired out by the ruler to fight for other countries, especially the British during the American Revolution, the name Hessians (unjustly) became synonymous with "mercenaries." Hessian fly (Cecidomyia destructor) was a destructive parasite the ravaged U.S. crops late 18c., so named 1787 in erroneous belief that it was carried into America by the Hessians.
hessonite (n.): 1820, from French essonit (1817), from Greek heson "less" + -ite (2). So called because it is lighter than similar minerals.
Thessaly: district south of Macedonia and east of Epirus, from Greek Thessalia (Attic Thettalia), an Illyrian name of unknown origin. Related: Thessalian. The city of Thessalonika on the Thermaic Gulf was ancient Therme, renamed when rebuilt by the Macedonian king Cassander, son of Antipater, and named in honor of his wife, Thessalonica, half-sister of Alexander the Great, whose name contains the region name and Greek nike "victory." The adjectival form of it is Thessalonian Related: Thessalonians.