stridulate（v.）
of certain insects, "make a noise like a cicada, effect stridulation," 1838, a back-formation from stridulation, or else as if from a Latin *stridulare. Related: Stridulated; stridulating; stridulatory. Agent noun stridulator "insect's apparatus for stridulating" is attested by 1880.
该词起源时间：1838年