-dac·​tyl·​ia | \ˌdak¦tilēə, -lyə\
plural -s

Definition of -dactylia 

: condition of having (such or so many) digits hexadactylia sclerodactylia

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History and Etymology for -dactylia

New Latin, from Greek daktylos + New Latin -ia -y

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to make faulty or ineffective

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