The English word 'mosaic' derives from the ancient, classical Latin language. The original word in Latin is Musa. The English meaning of that original Latin word is also a derivative: 'muse'.
cuprum is the derivation of the element copper
The derivation of "factor" is from Latin, through French and Middle English.
Caister isan English derivation of the Latin Castra, a word for a Roman fort. Caister on sea is founded on the site of a Roman fort dating back to 200AD.
It is from the Latin for book-seller.
Annus is, in fact, a Latin word meaning YEAR ... annus,-i (m)
Mediation -> mediate -> to be in the middle, from the Latin medius, middle.
The Latin feminine noun culina can mean a kitchen, or food, or victuals.
There is no such word in English.
No, genetics is not a Latin word. It comes from the Ancient Greek word γενετικός genetikos, meaning 'genitive,' itself from the word γένεσις genesis, meaning 'origin.' The correlation between that and the Latin word gens, meaning 'tribe,' is independent of our English derivation.
The word 'coquus' comes from the Latin infinitive coquere. The Latin verb means 'to cook, prepare food'. So the Latin derivative is a masculine gender noun that means 'a cook'.
In a Latin text, mitte is the singular imperative form of the verb mittere, "to send". It can be translated as the request/command "send!".As a root in an English word, "mitt-" or "mitte-" indicates derivation from mittere or one of its derived forms, such as committere "to send together"; intermittere "to send between", etc.