What is the hebrew root word for excellent?

There isn't a single Hebrew root word that translates directly to "excellent." However, several Hebrew words and phrases capture the essence of excellence, depending on the specific nuance you're looking for:

Words:

* טוֹב (tov): This is the most common word for "good" in Hebrew. It can be used for something excellent, but it is not limited to that meaning.

* מִשְׁתַּמֵּשׁ (meshtamesh): This word means "useful" or "serviceable" and can be used to describe something that is excellent in its function.

* נִפְלָא (nifla): This word means "wonderful" or "marvelous" and is often used to describe something excellent in its beauty or uniqueness.

* נֶאֱמָן (ne'eman): This word means "faithful" or "trustworthy" and can be used to describe something that is excellent in its reliability.

Phrases:

* בְּתוֹךְ הַטּוֹבִים (betokh ha'tovim): This phrase literally means "among the good ones" and can be used to describe something that is excellent compared to others.

* בְּמַהֲדוּרָה מְיֻחֶדֶת (be'mahdura miyuchedet): This phrase means "in a special edition" and can be used to describe something that is excellent in its quality or rarity.

Ultimately, the best Hebrew word or phrase to use for "excellent" will depend on the specific context and the type of excellence you want to convey.