Sorry no it is not a root word if a am correct.
There is no root word of river. It itself is a root word.
the root word is'confirminglyishness'
the root word is decor and that is the root word of decorate
the root word is vent
The root word of measurement is 'Measure.'
The root word of "experimental" is "experiment," which comes from the Latin word "experimentum," meaning a test or trial.
The word "experience" shares the same root as "experiment." Both words are derived from the Latin word "experiri," meaning "to try."
The base word of "experiment" is "experiment."
Fugit/ or Fugus is from Latin , and means 'to flee/ Run away'. E.g. Fugative is a person who flees from their home country , because of some fear. 'Tempus Fugit' ; Time Flies.
There is no root word of river. It itself is a root word.
the root word is'confirminglyishness'
Root word is usual.
the root word is decor and that is the root word of decorate
The root word is gift.
end is the root word
Tri is the root word of intricate. The root word means three.
The root word of impersonal is person.