Left side
有 — modern simplified shape absorbing older
有/
林 elements from traditional
鬱 (the lush-forest character
郁 was merged with in 1956). Supplies the sound for the merged form: yǒu → yù with vowel shift. Standalone
有 means 'have, exist,' adding flavour of fullness / abundance — fitting
郁's dense, lush, brooding senses.