The correct answer is "togethermeasured" because Syn- is a Greek prefix that means "together". Here, however, it is Sym because metrical makes the N turn into an M as a phonological change in the English language.
<span>The Latin root "spec" or "spect" comes from specto, spectare - a 1st conjugation verb meaning to observe or watch. "Spectare" ("to observe") is the infinitive form of the verb.</span>
The answer for this question is the bright future