in La Raza, literally "the race," 1964, from American Spanish (see race (n.2)), "designating the strong sense of racial and cultural identity held by Mexican-Americans" [OED].
c. 1300, "bear testimony," from witness (n.). Meaning "affix one's signature to (a document) to establish its identity" is from early 14c. Meaning "see or know by personal presence, observe" is from 1580s. Related: Witnessed; witnessing.
"to hit," 1931, probably of imitative origin; it is attested by 1975 in the sense of "have sexual intercourse with." Related: Bonked; bonking. As a noun from 1938; in the sexual sense by 1984.
1799, from Sanskrit, "female sexual principle as an object of veneration," literally "vulva, womb."