Answer :
All of them are coming from Greek.
'Logos' means science. 'Ethos' refers to the fundamental spirit of a culture or it is the moral element in dramatic literature that determines the character's behaviour. 'Pathos' is a quality that arouses emotions, esp. those of sorrow, pity and of compassion.
Answer:
Ethos or the ethical appeal, means to convince an audience of the author's credibility or character. Pathos or the emotional appeal, means to persuade an audience by appealing to their emotions. Logos or the appeal to logic, means to convince an audience by use of logic or reason.
Explanation: