Origin: < earlier conquian < MexSp conquain < conquian < Sp con quién, with whom
See cooncan in American Heritage Dictionary 4
Origin: Alteration of American Spanish conquián
Origin: , probably from Spanish con quién, with whom?
Origin: : con, with (from Latin cum; see kom in Indo-European roots)
Origin: + quien, whom (from Latin quem, accusative of quis, who; see kwo- in Indo-European roots).