-douro

Etymology 1
Alteration of, , from , with regular metathesis of /rj/ to /jr/. .

Suffix

 * 1) ; -able
 * 1) ; -able
 * 1) ; -able
 * 1) ; -able

Etymology 2
Alteration of, , from (neuter of ), with regular metathesis of /rj/ to /jr/.