gold-leaf

The compound 'gold-leaf' is a straightforward combination of two ancient Germanic nouns. 'Gold' originates from Proto-Germanic gulþą, a term for the precious metal whose name is likely derived from its characteristic yellow color. 'Leaf' stems from Proto-Germanic laubą, which referred broadly to foliage but also, by metaphorical extension, to anything thin and flat like a leaf of a plant. The logic of the compound is transparently descriptive: it names the material ('gold') and its form ('a thin leaf or sheet'), directly illustrating the process of hammering gold into an extremely thin, pliable layer used for ornamental purposes.

Structure: gold (metal) + leaf (thin sheet) - gold: From Old English 'gold', of Germanic origin; related to Dutch 'goud' and German 'Gold'. Functions as the primary noun denoting the precious metal. - leaf: From Old English 'lēaf', of Germanic origin; related to Dutch 'loof' and German 'Laub'. Functions as a noun, here meaning a thin sheet or layer.