Definition of arithmo-
: number arithmograph arithmomania
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Origin and Etymology of arithmo-
borrowed from Greek, combining form from arithmós “number, amount,” from ari-, verbal base meaning “to count” (whence also nḗritos “countless,” from n(e)-, negative prefix + ari-, going back to Indo-European *h2rei-) + -thmo-, deverbal noun suffix — more at 1rite
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