namei -om $PWD - follow a pathname until a terminal point is found

By OK -
laptop:/tmp/t1/t2/t3/t4$ namei -om $PWD
f: /tmp/t1/t2/t3/t4
 drwxr-xr-x root  root     /
 drwxrwxrwt root  root     tmp
 drwxr-xr-x teevi www-data t1
 drwxrwxr-- teevi www-data t2
 drwxr-xr-x teevi www-data t3
 drwxr-xr-- teevi www-data t4

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