Learning about the Classics can enrich one’s life enormously. Indeed, for some, understanding Greek is a κτῆμα ἐς ἀεί, a “possession for eternity”. Interestingly, most people tend to know more Ancient Greek than they might expect. Consider the following words:
ἀγορά – agora meaning ‘marketplace’; agoraphobia, fear of public places.
αδερφός – adelphos meaning ‘brother’; Philadelphia, the city of brotherly love.
ἄνθρωπος – anthropos meaning ‘man’; anthropology.
βιβλίος – biblios meaning ‘book’; bibliophile.
δώρο – doro meaning ‘gift’; donate.
ἐξ / ἐκ – ex meaning ‘out’; ecstatic, standing out of oneself.
ἐν – in meaning ‘in’; energy.
ἔργον – ergon meaning ‘work’; energy.
θεός – theos meaning ‘god’; theology.
καί – kai meaning ‘and’; triskaidekaphobia, literally, ‘the fear of three and ten’.
λόγος – logos meaning ‘word’; logic.
μάχη – makhe meaning ‘battle’; tauromachy i.e. bullfight.
νῆσος – nesos meaning ‘island’; Polynesia.
ὁδός – odos meaning ‘road’; odometer, an instrument that measures distance.
οἶκος – oikos meaning ‘house’; economics, that is, managing household finances.
τέχνη – tekhne meaning ‘art’; technology.
ψυχή – psykhe meaning ‘soul’; psychology.
See other: Ancient Greek You Know
Knowledge Guild 
As well as, “pneuma” – “breath” (sometimes, “spirit”) – from whence comes pneumatic.
And “daimon,” which of course becomes “demon.”
Don’t worry. More will be upcoming.
Love your enthusiasm though!
“Don’t worry. More will be upcoming.”
Don’t leave out, “porneia” —