sonderte ab

(first-person, form-of, preterite, singular, third-person) inflection of absondern:
(first-person, form-of, singular, subjunctive-ii, third-person) inflection of absondern:

(transitive, weak) to secrete; to exude (especially a liquid)
(derogatory, informal, transitive, usually, weak) to say; to utter (especially repeatedly over some period of time, as though it were a secretion)
(transitive, weak) to seclude; to isolate; to keep separate; to segregate (not usually in the racist sense, but e.g. for quarantine)
(reflexive, weak) to seclude oneself; to avoid contact