UrsprungBy surface analysis, vikt + -a.
Formerviktar(present) · viktade(preterite) · viktat(supine) · vikta(imperative) · vikta(active, infinitive) · viktas(infinitive, passive) · viktat(active, supine) · viktats(passive, supine) · vikta(active, imperative) · -(imperative, passive) · vikten(active, archaic, error-unrecognized-form) · -(archaic, error-unrecognized-form, passive) · viktar(active, indicative, present) · viktade(active, indicative, past) · viktas(indicative, passive, present) · viktades(indicative, passive, past) · vikta(active, archaic, error-unrecognized-form, present) · viktade(active, archaic, error-unrecognized-form, past) · viktas(archaic, error-unrecognized-form, passive, present) · viktades(archaic, error-unrecognized-form, passive, past)