الواصلة
roof mem·braneالتركية النطق
ruf membreynالنطق
/ˈro͞of ˈmemˌbrān/ /ˈruːf ˈmɛmˌbreɪn/
علم أصول الكلمات
[ 'rüf, 'ruf ] (noun.) before 12th century. Middle English, from Old English hrOf; akin to Old Norse hrOf roof of a boathouse and perhaps to Old Church Slavonic stropu roof.