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suffocate [suffocate 词源字典]: suffocate: [16] To suffocate someone is etymologically to press down their ‘throat’. The word comes from the past participle of Latin suffocāre, a compound verb formed from the prefix sub- ‘under, down’ and faucēs ‘throat’ (source of the English technical term faucal ‘of the throat’ [19]). The origins of faucēs are not known.
=> faucal[suffocate etymology, suffocate origin, 英语词源]
calque (n.): "loan translation of a foreign word or phrase," from French calque, literally "a copy," from calquer "to trace by rubbing" (itself borrowed in English 1660s as calk), introduced 16c. from Italian calcare, from Latin calcare "to tread, to press down."
depress (v.): early 14c., "put down by force," from Old French depresser, from Late Latin depressare, frequentative of Latin deprimere "press down," from de- "down" (see de-) + premere "to press" (see press (v.1)). Meaning "push down physically" is from early 15c.; that of "deject, make gloomy" is from 1620s; economic sense of "lower in value" is from 1878. Related: Depressed; depressing.
depression (n.): late 14c. as a term in astronomy, from Old French depression (14c.) or directly from Latin depressionem (nominative depressio), noun of action from past participle stem of deprimere "to press down, depress" (see depress).

Attested from 1650s in the literal sense; meaning "dejection, depression of spirits" is from early 15c. (as a clinical term in psychology, from 1905); meteorological sense is from 1881 (in reference to barometric pressure); meaning "a lowering or reduction in economic activity" was in use by 1826; given a specific application (with capital D-) by 1934 to the one that began worldwide in 1929. For "melancholy, depression" an Old English word was grevoushede.
Jain: 1805, from Hindi Jaina, from Sanskrit jinah "saint," literally "overcomer," from base ji "to conquer," related to jayah "victory," from PIE root *gweie- (2) "to press down, conquer." The sect dates from 6c. B.C.E.
oppress (v.): mid-14c., from Old French opresser "oppress, afflict; torment, smother" (13c.), from Medieval Latin oppressare, frequentative of Latin opprimere "press against, press together, press down;" figuratively "crush, put down, subdue, prosecute relentlessly" (in Late Latin "to rape"), from ob "against" (see ob-) + premere "to press, push" (see press (v.1)).
It is the due [external] restraint and not the moderation of rulers that constitutes a state of liberty; as the power to oppress, though never exercised, does a state of slavery. [St. George Tucker, "View of the Constitution of the United States," 1803]
Related: Oppressed; oppressing.
squat (v.): mid-14c., "to crush;" early 15c., "crouch on the heels," from Old French esquatir, escatir "compress, press down, lay flat, crush," from es- "out" (see ex-) + Old French quatir "press down, flatten," from Vulgar Latin *coactire "press together, force," from Latin coactus, past participle of cogere "to compel, curdle, collect" (see cogent). Meaning "to settle on land without any title or right" is from 1800. Related: Squatted; squatting.
suppress (v.): late 14c. (implied in suppressing) "be burdensome;" 1520s as "put down by force or authority," from Latin suppressus, past participle of supprimere "press down, stop, hold back, check, stifle," from sub "down, under" (see sub-) + premere "push against" (see press (v.1)). Sense of "prevent or prohibit the circulation of" is from 1550s of publications; medical use from 1620s. Related: Suppressed; suppressing.