decantasteis
Decantasteis is the second-person plural preterite form of the Spanish verb decantar. It marks a completed action in the past and is used with the vosotros subject, which is standard in Spain. In many Latin American varieties, the corresponding preterite form with ustedes would be decantaron.
Decantar is a regular -ar verb, so its preterite forms follow the standard endings: yo decanté, tú
Usage-wise, decantar primarily refers to the act of decanting wine—pouring it from a bottle into a decanter
Example: Ayer vosotros decantasteis el vino antes de servirlo. In Latin American Spanish, you would typically