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Etymology · Ancient Greek

ῥαφίς

3 English words descend from Ancient Greek ῥαφίς, most common first.

raphideA crystal of calcium oxalate, shaped like a needle, which forms as a metabolic byproduct in some plant cells.
raphigraphA kind of typewriter for the blind, pricking characters into paper by means of needles.
sphaeraphisA spherical aggregation of raphides in a plant cell