Promised How to understand the word "promised" used in "the promised pleasure" ? Does it have something to do with "the promised land"?

What is the "clachan" and "rathad" in Scotland and "Utsi’s Stone in the Cairn-gorms" ?

How to understand this sentence ? Wordsworth’s notoriously knobbly legs, ‘pointedly condemned’ – in De Quincey’s catty phrase – ‘by all … female connoisseurs’, were magnificent shanks when it came to passage and bearing. What does "notoriously knobbly legs" , "connoisseur" , "passage and bearing" mean here?