発する

to emit, give off; utter, to depart, set out

send out; originate + する do
verb · present Rare #35,537
to emit, give off; utter Used for sounds, words, light, odors, and other things that are sent out or produced.
JA: 彼は大きな声を発する。
EN: He utters a loud voice.
to depart, set out A formal expression, often used in writing or announcements.
JA: 一行は朝早く東京を発する。
EN: The group will depart from Tokyo early in the morning.

花は大変心地良い香り発する

The flower gives off a very pleasant fragrance.

感動のあまり彼は一言も発することができなかった

He was so moved that he couldn't utter a single word.

彼の感動大きくて一言も発することはできなかった

He was so overwhelmed that he couldn't utter a word.

そのバラは甘い匂い発する

That rose gives off a sweet fragrance.