Eskimo (n.)youdaoicibaDictYouDict[Eskimo 词源字典]
1580s, from Danish Eskimo or Middle French Esquimaux (plural), both probably from an Algonquian word, such as Abenaki askimo (plural askimoak), Ojibwa ashkimeq, traditionally said to mean literally "eaters of raw meat," from Proto-Algonquian *ask- "raw" + *-imo "eat." Research from 1980s in linguistics of the region suggests this derivation, though widely credited there, might be inaccurate or incomplete, and the word might mean "snowshoe-netter." See also Innuit. Of language, from 1819. As an adjective by 1744. Eskimo pie "chocolate-coated ice cream bar" introduced 1922 and was initially a craze that drove up the price of cocoa beans on the New York market 50 percent in three months [F.L. Allen, "Only Yesterday," 1931].[Eskimo etymology, Eskimo origin, 英语词源]
ski (n.)youdaoicibaDictYouDict
1883 (there is an isolated instance from 1755; in early use often spelled skee), from Norwegian ski, related to Old Norse skið "long snowshoe," literally "stick of wood, firewood," cognate with Old English scid "stick of wood," obsolete English shide "piece of wood split off from timber;" Old High German skit, German Scheit "log," from Proto-Germanic *skid- "to divide, split," from PIE root *skei- "to cut, split" (see shed (v.)). Ski-jumper is from 1894; ski bum first attested 1960; ski-mask is from 1963; noted as part of criminal disguises from 1968.
snow-shoe (n.)youdaoicibaDictYouDict
also snowshoe, 1670s, from snow (n.) + shoe (n.). Related: Snowshoes.
tamarack (n.)youdaoicibaDictYouDict
also tamarac, North American black larch, 1805, probably of Algonquian origin (compare synonymous hackmatack, 1792, from a source akin to Abenaki akemantak "a kind of supple wood used for making snowshoes"), but the etymology is unclear.