Query Taxonomy By Page Title

If you don’t define the field in the array then it defaults to ID. Your options are term_id, name and slug: http://codex.wordpress.org/Class_Reference/WP_Query#Taxonomy_Parameters

'tax_query' => array(
    array(
        'taxonomy' => 'language',
        'field'    => 'name',
        'terms'    => get_the_title()
    )
)