Part of speech: Adjective (satellite)
beyond calculation or measure
Example: an incomputable amount; jewels of inestimable value; immeasurable wealth
The word "inestimable" comes from Latin inaestimābilis, which comes from Middle French inestimable.
in – A related word in the same word family.
estimable – A related word in the same word family.
Legal and medical professions still use Latin phrases because of its precision and historical authority.