Feminine of 'ephowd; a girding on (of the ephod); hence, generally, a plating (of metal) -- ephod, ornament.
see HEBREW 'ephowd
H642. aphuddah
אֲפֻדָּה noun feminine ephod (= אֵפוֺד, for which it supplies construct & suffix forms).
1 of high-priest's ephod, compare אֵפוֺד 1b, only אֲפֻדָּתוֺ חֵשֶׁבExodus 28:8; 39:5 the cunningly-wrought band of his ephod.
2 of sheathing of idol-images, מַסֵּכַתוְהָכֶ֑ךָ אֲפֻדַּתIsaiah 30:22 ("" ךָ כַסְמֶּ פְסִילֵי צִפוּי) compare אֵפוֺר 3a.