The word odiasteis is the preterite form of odiar in the second person plural.
See the full odiar conjugation
Desde el momento que pisásteis mi país, lo odiásteis.
Since first you set foot in my country, you hated it.
Want to Learn Spanish?
Spanish learning for everyone. For free.
The world’s largest Spanish dictionary
Conjugations for every Spanish verb
Learn vocabulary faster
Learn every rule and exception
Native-speaker video pronunciations
Word of the Day
Have you tried it yet? Here's what's included:
Learn offline on iOS
Learn Spanish faster