A South African tree or the yellowish timber from that tree, also called yellow wood.
From Dutch/Afrikaans 'geel' (yellow) and 'hout' (wood), literally 'yellow wood,' naming the tree for the color of its timber.
Dutch and Afrikaans compound words for wood ('geelhout,' 'hardhout') are exactly what you'd need to say if you were building something—the name tells you the color and primary characteristic instantly.
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