Atter is derived from ,
ātor and
ǣttor, which in turn derives from , which stems from a , meaning "poison, pus", ultimately stemming from a
Proto-Indo-European root of "to swell; swelling, tumour, abscess", related to (
oîdos), "swelling, tumour, abscess, produced by internal action". It is directly
cognate with and its derivatives, , , , , as well as and , all with similar meaning. In
Scots, the cognate terms are
atter and
etter, variously meaning "poison", "purulent matter from a sore" and "quarrelsomeness". While mostly
archaic or
archaized in English, the word lives on with some strength in other languages. The Icelandic form
eitur is the common word for "poison", while the Swedish form
etter is a word for “venom”, as well as the full poetic meaning in dialectal and archaized language. The German form
Eiter and the Dutch form
etter are the common word for “pus”. Its derivative,
attery means "venomous", "poisonous" or "bitter". It is also found in compound nouns such as the now dialectal term for a spider
attercop, literally "atter-top" or "atter-cup" (compare
cobweb, previously (atter)copweb), cognate with
Norwegian and , and . It is also found in the term
atterlothe, meaning "an antidote to poison". == Atter breathing dragons ==