Definition from Wiktionary, the free dictionary
- (transitive) to stun; to shock; to surprise
- (transitive) to stun (to incapacitate by inducing disorientation)
Conjugation of the Portuguese -ir verb aturdir
From older atordir, from a- + tordo (“thrush”) + -ir, based on the similarity between the thrush's flight and the scrambled movement of someone who has been dazed or stunned (compare French étourdir).
1 Argentine and Uruguayan voseo prefers the tú form for the present subjunctive.