im(not)+mun(change, go, move)+ity = 免疫(면역) = 免疾(면질) =免病(면병)= 면제(免除) =면책(免責)

[석수]

이뮨(im+mune)은 병역(病疫)에 전염되거나 또는 감염되지 않는다. 즉 병(病)이니 역(疫)에서 벗어난다


免疫(면역)

免疾(면질)

免病(면병)

면책(免責) : 책임이나 책망에서 벗어난 것


immune (adj.)

mid-15c., "free, exempt" (from taxes, tithes, sin, etc.), from Latin immunis "exempt from public service, untaxed; unburdened, not tributary," literally "not paying a share," from assimilated form of in- "not, opposite of" (see in- (1)) + munis "performing services" (compare municipal), from PIE *moi-n-es-, suffixed form of root *mei- (1) "to change, go, move." Specific modern medical sense of "exempt (from a disease)," typically because of inoculation, is from 1881, a back-formation from immunity. Immune system attested by 1917.