ع ق رʿ-q-r
(ض) عَقَرَ يَعْقِرُ عَقْرًاʿaqara yaʿqiru ʿaqran: (1) to cut a tree at the root (2) to hamstring a beast (3) to be barren (to cut off one's own line). ﴿فَعَقَرُوا النَّاقَةَ﴾ (Al-Aʿrāf 7:77)
عَاقِرٌʿāqir (adjective on the pattern of فَاعِلٌfāʿil): one who cuts; barren (used for both masculine and feminine). ﴿وَكَانَتِ امْرَاَتِيْ عَاقِرًا﴾ (Maryam 19:5)