Elucidate from Late Latin ēlūcidāre = 'to make thoroughly bright,' from lūcidus (clear), from lūx (light), PIE *lewk- (light). Same root as lucid, lucifer, luminous, lunar, illustrate, translucent. Embodies humanity's oldest conceptual metaphor: understanding is light, confusion is darkness, to explain is to illuminate.
To make clear or plain, especially by explanation; to shed light on something obscure.
From Late Latin ēlūcidāre (to make clear, to throw light upon), composed of the intensive prefix ē- (ex-, thoroughly, completely out) and lūcidus (bright, clear, full of light), itself from lūcēre (to shine, to be light), from lūx (light, genitive lūcis), tracing to PIE *lewk- (light, brightness, to shine). The PIE root *lewk- is one of the most semantically rich in Indo-European: it gave Latin lūx (light), lūna (moon), lūcifer (light-bearer), illūmināre (to illuminate), and ultimately English light via Proto-Germanic *leuhtą. Greek lyknos (lamp) and
The equation 'light = understanding' is one of the most deeply embedded metaphors in human culture. The Enlightenment, the French Lumières, German Aufklärung ('clearing up') — all frame knowledge as illumination. When you elucidate something, you perform the same conceptual act as Prometheus stealing