1: τροπή
(Strong's #5157 — Noun Feminine — trope — trop-ay' )

used especially of the revolution of the heavenly orbs (akin to trepo, "to turn"), occurs in James 1:17 , "(neither shadow) that is cast by turning," RV (AV, "of turning"). For a more detailed treatment of the passage, see SHADOW , No. 2.