This is something I was just thinking about. Adjectives in a lot of languages can also take modifiers of their own: very big, more intelligent, etc... But is there an actual word for the part of speech such words comprise? I've mostly seen them thrown under 'adverbs', even though some can't be used adverbially, aka to modify a verb.
Adjectives modify nouns, adverbs modify verbs, so what modifies adjectives and adverbs?
I really feel like they're a part of speech of their own, but grammarians don't seem to agree with me, as I've already mentioned.
I for one prefer linguistic terminology over what terminology you're taught in grammar class. I don't like to use the terms 'relative clause' and 'dependent clause' (or w/e the terms are), I just use 'adjectival clause' and 'adverbial clause' all the time, because I find them far more logical. And besides, they often have words for parts of speech that you don't see in your average grammar class (such as stative verb and coverb, granted English doesn't have words in either of those parts of speech, but I see that as irrelevant here).
Is there even a name for words in this part of speech? I don't think there would be too many words in that category, but so what? There's some languages on this planet that only contain 2 or 3 prepositions (Tagalog and Tok Pisin come to mind).