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In the American movie "My Greek Fat Wedding", the father of the Greek bride, Kostas, is always searching for a Greek origin to all American words and he is being ridiculed for that.
In reality, there is a Greek origin to many American words, indeed.

In every language, there are words borrowed from other tongues to meet their vocabulary needs. All languages, however, have not offered the same number of words and especially of the same evaluative meaning (or "quality") of words. The evaluative meaning of the words history, philosophy, theater is different and the evaluative meaning of fastfood, parking, supermarket is different: the vocabulary, that Greek has offered is of great evaluative importance because it is a fundamental vocabulary necessary for communication. A number of 700-800 words is irreplaceable because there are no corresponding words in European languages, such as athlete, theater, drama, tragedy, comedy, music, orchestra, harmony, symmetry, problem, program, geography, geometry, history, economy, mathematics, philosophy, physics, democracy, dialogue, dogma, dynamic, alphabet, grammar, syllable, poem, energy, center, theology, christian, ethics, theory, idea, logic, crisis, cycle, diameter, prism, parallel, method, meter, system, artery etc*.

In ancient times, Greek was the most widespread language in the Mediterranean and Southern Europe, mainly because of the number of colonies founded by the Greeks on the shores of the Mediterranean, while it became the language of trade even until the end of the Alexandrian period. Greek today is the mother tongue of about 12 million people, mainly in Greece and Cyprus. It is also the mother tongue of indigenous populations in Albania, Bulgaria, Italy, North Macedonia, and Turkey. Due to immigration, the language is still spoken in destination countries of Greek-speaking populations including Australia, Germany, the United States, the United Kingdom, Canada, Russia, and other states of the former Soviet Union. It is estimated that the total number of people worldwide who speak Greek as a first or second language is around 25 million. Greek has been spoken since the 3rd millennium BC, possibly earlier. The earliest written text in Greek is Linear B, which dates from 1450 to 1350 BC, making Greek the oldest living language in the European world.

*A.Konstastinidis, "The Universal Dimension of the Greek Language" and "Greek Words in the English Language"