1
Stage 1 of 2
inficere
Latin · ancient
"to put in, to taint"
to put in, to taint, to dye, from in- (into) and facere (to do, make)
2
Stage 2 of 2
infect
English · 1300s
"to contaminate something with disease-causing organisms"
settled as the English word for contaminating something with disease-causing organisms
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