Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
σύσκιοσ shady LXX.Song.1.16
συσκίου shady LXX.1Kgs.14.23LXX.Ezek.6.13

Liddell-Scott-Jones

σύσκιος (suskios) shady G:A

σύσκιος-ος, ον,

closely shaded, thickly shaded, [Refs 5th c.BC+]; τὸ σ. the thick shade of a tree, [Refs 5th c.BC+]; the closely-shaded place, [Refs 2nd c.AD+]