element (n.)youdaoicibaDictYouDict[element 词源字典]
c. 1300, "earth, air, fire, or water; one of the four things regarded by the ancients as the constituents of all things," from Old French element (10c.), from Latin elementem "rudiment, first principle, matter in its most basic form" (translating Greek stoikheion), origin and original sense unknown. Meaning "simplest component of a complex substance" is late 14c. Modern sense in chemistry is from 1813, but is not essentially different from the ancient one. Meaning "proper or natural environment of anything" is from 1590s, from the old notion that each class of living beings had its natural abode in one of the four elements. Elements "atmospheric force" is 1550s.[element etymology, element origin, 英语词源]
elemental (adj.)youdaoicibaDictYouDict
late 15c., "pertaining to the four elements," from Medieval Latin elementalis, from Latin elementum (see element). Meaning "pertaining to the powers of nature" is from 1823. The noun in the occult sense "a spirit of the elements" is from 1877. Related: Elementally.
elementary (adj.)youdaoicibaDictYouDict
late 14c., "having the nature of one of the four elements," from Middle French elementaire and directly from Latin elementarius "belonging to the elements or rudiments," from elementum (see element). Meaning "rudimentary, involving first principles" is from 1540s; meaning "simple" is from 1620s. In elementary school (1841) it has the "rudimentary" sense.
TelemachusyoudaoicibaDictYouDict
son of Odysseus and Penelope, from Latinized form of Greek Telemakhos, literally "fighting from afar," from tele "from afar" (see tele-) + makhe "a battle, fight" (see -machy).
telemarketing (n.)youdaoicibaDictYouDict
1970, from telephone (n.) + marketing. Related: Telemarketer (1984).
telemeter (n.)youdaoicibaDictYouDict
1860, a rangefinder for surveying and artillery, from French télémètre (1852), from télé- "far" (see tele-) + mètre "meter" (see -meter). Used from 1953 for a pay-as-you-watch TV system with a coin box attached to the set. Related: Telemetry.
microelementyoudaoicibaDictYouDict
"Chiefly Plant Physiol. An inorganic micronutrient; a trace element", 1930s; earliest use found in Chemical Abstracts. From micro- + element.
telematicsyoudaoicibaDictYouDict
"The branch of information technology which deals with the long-distance transmission of computerized information", 1970s: blend of telecommunication and informatics.