The distinctive expression of the cognitive or intellectual character of a culture or social group.He finds the eidos of the Iatmul people to be characterized among other things by a tendency to construct an enormously complex cultural-structure....
Bateson asserts that a culture's eidos fosters certain ideas and beliefs in individual members of the culture and sanctions or suppresses others.
Origin
1930s: from Greek, literally 'form, type, idea', partly in contrast to ethos.