vodka (wΓ³dka) is polish. vodka means βlittle water.β the oldest written record of vodka is from 1405 in Poland.
aqua vitae is not a term specific to vodka. itβs just a general term for distilled alcohol across medieval Europe, not specific to vodka.
mexican is not an ethnicity. do a 23/me on them and they will usually come up with some indigenous and iberian peninsula genetic combo. however, there can also be mexicans with completely european genetic ancestry. βmexicanβ itself is not an ethnicity, just like βamericanβ