Squeaky
来自Big Physics
late Middle English (as a verb): imitative; compare with Swedish skväka ‘croak’, also with squeal and shriek. The noun dates from the early 17th century.
wiktionary
squeak + -y
etymonline
squeaky (adj.)
1823, from squeak (n.) + -y (2). Squeaky clean in figurative sense is from 1972, probably from advertisements for dishwashing liquid. Related: Squeakily; squeakiness.
