lintel
/ˈlɪntəl/noun
- a horizontal support of timber, stone, concrete, or steel across the top of a door or window（木、石、钢筋、水泥或钢制的）门窗水平过梁。
派生词
lintelled
（〈美〉 linteled）adjective词源
Middle English: from Old French， based on late Latin liminare, from Latin limen 'threshold'.