origin of ‘philtrum’ (the indentation above the upper lip)

photograph: Google+ Communities     The noun philtrum denotes the vertical groove between the base of the nose and the border of the upper lip. The literal and obsolete signification of this word, which appeared in the early 17th century, is love potion, from classical Latin philtrum, of same meaning. In post-classical Latin, philtrum came to also denote the dimple in the upper lip. It […]

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