proper left en · NOUN
Etymology
proper (in the sense of "its own") + left; from Latin proprius.
Meanings
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(uncountable) The direction which is to the left from an object's perspective, the direction 90 degrees counter-clockwise from the front.
The nose and proper left ear were also inset, stone restorations, with dark resin visible surrounding the joints.
2012 May 2, “Search object details”, in British Museum, archived from the original on 16 Jan 2013:Detail of damage to plaster on proper left side of top chain
2009, Stephanie E. Hornbeck, “A Conservation Conundrum”, in African Arts, volume 42, number 3, page 52:The key in the lock served to open the proper left-hand door, while the proper right door was secured by a hook and eye of forged iron […]
2006 April, Jean M Burks, “Quebec country furniture at the Shelburne Museum”, in Magazine Antiques, volume 169, number 4, page 124: