org-agenda-show-inherited-tags

org-agenda-show-inherited-tags is a variable defined in `org-agenda.el'.
Its value is

t

Documentation:
Non-nil means show inherited tags in each agenda line.

When this option is set to 'always, it take precedences over
`org-agenda-use-tag-inheritance' and inherited tags are shown
in every agenda.

When this option is set to t (the default), inherited tags are
shown when they are available, i.e. when the value of
`org-agenda-use-tag-inheritance' has been taken into account.

This can be set to a list of agenda types in which the agenda
must display the inherited tags. Available types are 'todo,
'agenda, 'search and 'timeline.

When set to nil, never show inherited tags in agenda lines.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 24.3 of Emacs.