Strong's Greek #644
ἀποσκίασμα

Englishman's Concordance (References)

ἀποσκίασμα aposkiasma — 1 Occurrence

James 1:17 - N-NNS
GRK:ἢ τροπῆς ἀποσκίασμα
NAS: or shifting shadow.
KJV: neither shadow of turning.
INT: or of turning shadow