also: さたん
noun, noun which may take the genitive case particle 'no'
left end; left edge
Refers to the leftmost part of a physical object, line, or area. Often used with の to modify a noun.
左端の席に座ってください。
Please sit in the seat at the left end.
写真の左端に小さく写っている。
I appear small at the left edge of the photo.