48723
The indefiniteness is spatial in early usages as in Homer ( indefinite sea ) and as in Xenophanes ( 6th century BC ) who said that the earth went down indefinitely ( to " apeiron " ) i.e. beyond the imagination or concept of men .
 Homer, Xenophanes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Homer, Xenophanes