Vaccine
Chamber's Etymological of the English Language · 1895 · p. 552
vak's in, adj. pertaining to or derived — from cows. [L vaccinus vacca, a cow, akin to Sans, vas/ul, cow —vnsh, to bellow.]
Bu kavram başka kaynaklarda da geçiyor
French-English Dictionary of Military Terms (1918)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
A Military Dictionary (1810)
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