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catamaran [catamaran 词源字典]: catamaran: [17] Catamaran is a word borrowed from the Tamil language of the southeast coast of India. It is a compound meaning literally ‘tied wood’, made up of kattu ‘tie’ and maram ‘wood, tree’. It was first recorded in English in William Dampier’s Voyages 1697: ‘The smaller sort of Bark-logs are more governable than the others … This sort of Floats are used in many places both in the East and West Indies. On the Coast of Coromandel … they call them Catamarans’.
[catamaran etymology, catamaran origin, 英语词源]
amaranth (n.): 1610s, from French amarante, from Latin amarantus, from Greek amarantos, name of an unfading flower, literally "everlasting," from a- "not" + stem of marainein "die away, waste away, quench, extinguish," from PIE *mer- "to rub away, harm" (see nightmare). In classical use, a poet's word for an imaginary flower that never fades. It was applied to a genus of ornamental plants 1550s. Ending influenced by plant names with Greek -anthos "flower."
amaranthine (adj.): 1660s, "unfading, undying," poetic (apparently coined by Milton), also amarantine; see amaranth. Later used of a purple color.
camaraderie (n.): 1840, from French camaraderie, from camarade "comrade" (see comrade).
catamaran (n.): East Indies log raft, 1670s, from Tamil kattu-maram "tied wood," from kattu "tie, binding" + maram "wood, tree."
samara (n.): dried fruit of certain trees, from Latin samara "the seed of the elm," variant of samera, perhaps from Gaulish.
tamarack (n.): 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.