Proto-Baltic: *kerd- (-ja-) vb. tr., *kird-ī̂- vb., *kar̃d-a- c., *kard-u- adj.
Meaning: shout
Old Lithuanian: ap-kerdžiu 'ich verjünde',
Lithuanian: kar̃da-s 'Widerhall, Echo', kardù- 'tönend, widerhallend', kardìnti-s 'sich bemerkbar machen, von sich hören lassen'
Old Prussian: kirdīt 'hören'
