英语词源字典 - 在线词源网站

pseudonymous (adj.)[pseudonymous 词源字典]: 1766, from Modern Latin pseudonymus, from Greek pseudonymos (see pseudonym). Related: Pseudonymously. [pseudonymous etymology, pseudonymous origin, 英语词源]
pseudopod (n.): 1862, from Modern Latin pseudopodium (itself in English from 1854), from pseudo-) + Latinized form of Greek podion, diminutive of pous "foot," from PIE root *ped- (1) "a foot" (see foot (n.)). Related: Pseudopodal.
pshaw (interj.): exclamation of contempt or rejection, by 1670s.
psi (n.): 23rd letter of the Greek alphabet. Use for "psychic force, paranormal phenomenon" dates from 1942 (probably from psychic (adj.)).
psilanthropism (n.): "the teaching that Jesus was entirely human," 1817 (Coleridge; "Biographia Literaria"), from Greek psilanthropos "merely human," from psilos "naked, bare, mere" (see psilo-) + anthropos "man" (see anthropo-). Related: Psilanthropy; psilanthropic; psilanthropist.
psilo-: before vowels psil-, word-forming element meaning "stripped, bare," from Greek psilos "bare, naked; mere," perhaps akin to psen "to rub," and both or either perhaps from PIE root *bhes- "to rub" (source also of Greek psamathos "sand;" see sand (n.)).
psilocybin (n.): 1958, from Modern Latin psilocybe, name of a Central American species of mushroom, from Greek psilos "bare" (see psilo-) + kybe "head."
psilosis (n.): "loss of hair through disease," 1837, medical Latin, from Greek psilosis "a stripping of hair," from psiloun "to strip of hair," from psilos "bare" (see psilo-).
psionic (adj.): 1952, from psi + ending from electronic, etc.
psittacine (adj.): "pertaining to parrots," 1826, from Latin psittacinus, from psittacus "parrot," from Greek psittakos "a parrot," said to be a foreign word.
psittacism (n.): "mere parroting, parrotry, repetition without reasoning," 1884, from French psittacisme (Liebnitz, 1765) or German psittazismus, from Latin psittacus "parrot" (see psittacine) + -ism.
psoas (n.): 1680s, from Greek psoa (plural psoai) "muscles of the loins." Related: Psoitis.
Gk. [psoas], the gen. of the feminine noun [psoa], was mistaken by the French anatomist Jean Riolan (1577-1657) for the nom. of a (nonexistent) masculine noun. It was he who introduced this erroneous form into anatomy." [Klein]
psoriasis (n.): 1680s, from medical Latin psoriasis, in Late Latin "mange, scurvy," from Greek psoriasis "being itchy," from psorian "to have the itch," from psora "itch, mange, scab," related to psen "to rub" (see psilo-). Related: Psoriatic.
psych: as a noun, short for psychology in various senses (e.g. as an academic study, in student slang by 1895). As a verb, first attested 1917 as "to subject to psychoanalysis," short for psychoanalyze. From 1934 as "to outsmart" (also psych out); from 1963 as "to unnerve." However to psych (oneself) up is from 1972; to be psyched up is attested from 1968.
psyche (n.): 1640s, "animating spirit," from Latin psyche, from Greek psykhe "the soul, mind, spirit; breath; life, one's life, the invisible animating principle or entity which occupies and directs the physical body; understanding" (personified as Psykhe, the beloved of Eros), akin to psykhein "to blow, cool," from PIE root *bhes- "to blow, to breathe" (source also of Sanskrit bhas-), "Probably imitative" [Watkins].

Also in ancient Greek, "departed soul, spirit, ghost," and often represented symbolically as a butterfly or moth. The word had extensive sense development in Platonic philosophy and Jewish-influenced theological writing of St. Paul (compare spirit (n.)). Meaning "human soul" is from 1650s. In English, psychological sense "mind," is attested by 1910.
psychedelia (n.): 1967, from psychedelic + -ia.
psychedelic (adj.): occasionally psychodelic, 1956, of drugs, suggested by British-born Canadian psychiatrist Humphry Osmond (1917-2004) in a letter to Aldous Huxley and used by Osmond in a scientific paper published the next year; from Greek psykhe- "mind" (see psyche) + deloun "make visible, reveal," from delos "visible, clear," from PIE root *dyeu- "to shine" (see diurnal). In popular use from 1965 with reference to anything producing effects similar to that of a psychedelic drug or enhancing the effects of such a drug. As a noun from 1956.
psychedelicize (v.): 1966, from psychedelic + -ize. Related: Psychedelicized; psychedelicizing.
psychiatric (adj.): 1847, from French psychiatrique or else coined in English from psychiatry + -ic.
psychiatrist (n.): 1875, from psychiatry + -ist.
A psychiatrist is a man who goes to the Folies Bergère and looks at the audience. [Anglican Bishop Mervyn Stockwood, 1961]
An older name was mad-doctor (1703); also psychiater "expert in mental diseases" (1852), from Greek psyche + iatros. Also see alienist.