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concoct [concoct 词源字典]: concoct: [16] To concoct an excuse is the same, etymologically, as to ‘cook’ one up. The word concoct comes from the past participle of Latin concoquere, a compound verb formed from the prefix com- ‘together’ and coquere ‘cook’. This was a derivative of the noun coquus ‘cook’, which was the source of English cook. The Latin verb developed several figurative senses, including ‘digest food’ and ‘reflect on something in the mind’, but ‘fabricate’ seems to be an English creation (first recorded in the late 18th century), developed from an earlier ‘make by mixing ingredients’.
=> cook[concoct etymology, concoct origin, 英语词源]
consider (v.): late 14c., from Old French considerer (13c.) "reflect on, consider, study," from Latin considerare "to look at closely, observe," perhaps literally "to observe the stars," from com- "with" (see com-) + sidus (genitive sideris) "constellation" (see sidereal).

Perhaps a metaphor from navigation, but more likely reflecting Roman obsession with divination by astrology. Tucker doubts the connection with sidus, however, because it is "quite inapplicable to desiderare," and suggests derivation instead from the PIE root of English side meaning "stretch, extend," and a sense for the full word of "survey on all sides" or "dwell long upon." Related: Considered; considering.
medical (adj.): 1640s, from French médical, from Late Latin medicalis "of a physician," from Latin medicus "physician, surgeon, medical man" (n.); "healing, madicinal" (adj.), from mederi "to heal, give medical attention to, cure," originally "know the best course for," from an early specialization of the PIE root *med- "to measure, limit, consider, advise, take appropriate measures" (cognates: Greek medomai "be mindful of," medein "to rule;" Avestan vi-mad- "physician;" Latin meditari "think or reflect on, consider;" Irish miduir "judge;" Old English metan "to measure out"); also see meditation. The earlier adjective in English in this sense was medicinal. Related: Medically.
ponderable: "Having appreciable weight or significance", Mid 17th century: from late Latin ponderabilis, from ponderare 'weigh, reflect on' (see ponder).