After mitring the door stop, nail to door frame at a distance from its edge equal to thickness of door.
Tuck in all at once the foot and lower corners, mitring the corners as you did those of the lower sheet.
It is easier than mitring, but by no means a strong joint, unless skilfully made.
mitring, lines meeting at a right angle without overrunning are said to be mitred.
bishop's tall hat, late 14c., from Old French mitre, from Latin mitra "headband, turban," from Greek mitra "headband, turban," earlier a belt or cloth worn under armor about the waist, from PIE root *mei- "to tie" (cf. Sanskrit Mitrah, Old Persian Mithra-, god names; Russian mir "world, peace," Greek mitos "a warp thread"). In Latin, "a kind of headdress common among Asiatics, the wearing of which by men was regarded in Rome as a mark of effeminacy" [OED]. But the word was used in Vulgate to translate Hebrew micnepheth "headdress of a priest."