EPISTEMOLOGY

MEANING: noun: The study of knowledge, especially its nature, origin, limits, validity, etc.

ETYMOLOGY: From Greek episteme (knowledge) + -logy (study). Earliest documented use: 1847.
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EPISTEMOLOGY - science of plant pests (aphids et al) that grow on the stems and leaves

EPICSTEMOLOGY - how sunflowers keep their blooms upright

EXISTEMOLOGY - whether or not there is a genre of rock music dealing with emotional themes