measuredProperty
A Schema.org Property
This term is in the "new" area - implementation feedback and adoption from applications and websites can help improve our definitions.
The measuredProperty of an
Observation, typically via its
StatisticalVariable. There are various kinds of applicable
Property: a schema.org property, a property from other RDF-compatible systems, e.g. W3C RDF Data Cube, Data Commons, Wikidata, or schema.org extensions such as
GS1's.
Values expected to be one of these types
Source
https://github.com/schemaorg/schemaorg/issues/2291