Θεος (Theos) is the [[Koine Greek]] word meaning "God" or "a god"
It The English word "[[Theology]]" is a second declension masculine nounderived from it.
The English word "[[Theology]]" It is derived from it.a second declension masculine noun that declines as follows: {{Greek Noun|Θεον|Θεος|Θεου|Θεω|Θεοι|Θεων|Θεοις|Θεους}}