英语词源字典 - 在线词源网站

grimalkin (n.)[grimalkin 词源字典]: name given to a cat, 1620s, as in, or from, Shakespeare's Gray-Malkin, in "Macbeth" (1605), hence any cat, especially an old she-cat; from gray (adj.) + Malkin, diminutive of fem. proper name Matilda or Maud.[grimalkin etymology, grimalkin origin, 英语词源]
primal (adj.): c. 1600, "belonging to the earliest age," from Medieval Latin primalis "primary," from Latin primus "first" (see prime (adj.)). Psychological sense, in reference to Freud's theory of behaviors springing from the earliest stage of emotional development, is attested from 1918. Primal scream is from a best-selling book of 1971.