How is "A language area uses fewer phonemes the farther...from Africa to reach it. ” structured?
Please read the following sentences below and answer the questions.
Dr. Atkinson, an expert at applying mathematical methods to linguistics,
has found a simple but striking pattern in some 500 languages spoken
throughout the world: "A language area uses fewer phonemes the farther
that early humans had to travel from Africa to reach it". Some of the click-using
languages of Africa have more than 100 phonemes, whereas Hawaiian,
toward the far end of the human migration route out of Africa, has only 13.
English has about 45 phonemes.
(1)How is "A language area uses fewer phonemes the farther
that early humans had to travel from Africa to reach it." grammatically structured?
(2) I think I understand the part "the farther" calls for the pattern "the fewer phonemes."
But the original says just "fewer phonemes" instead, without the article "the."Why is that?
(3) the farther "that" early humans...
What does "that" mean here in the sentence?