endotoxin

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endotoxin

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Etymology tree

Proto-Indo-European *h₁n̥dóm

Proto-Hellenic *éndon

Ancient Greek ἔνδον (éndon)der.

English endo-

Ancient Greek τόξον (tóxon)

Proto-Indo-European *-kos

Ancient Greek -κός (-kós)

Ancient Greek -ῐκός (-ĭkós)

Ancient Greek τοξῐκός (toxĭkós)

Ancient Greek τοξικόν (toxikón)der.

Latin toxicum

Proto-Indo-European *-nós

Proto-Indo-European *-iHnos

Proto-Italic *-īnos

Latin -īnusder.

Old French -inbor.

Middle English -in

English -ineclip.

English -in

English toxin

English endotoxin

From endo- + toxin.

endotoxin (plural endotoxins)

Any toxin secreted by a microorganism and released into the surrounding environment only when it dies.
- 1966, Karina Dzintars Burda, A Study of Heat-labile Superficial Somatic Antigen of Vibrio Fetus, page 41:
  It may resemble the factor 5 in Salmonella, a heat-labile determinant on the endotoxin molecule which, because of its superficial location, blocks the agglutination reaction of the deeper heat-stable O antigens in the same way as do the Vi and K antigens.

any toxin secreted by a microorganism that is released into surrounding environment only when it dies