unruddered

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Germanic *un-
Proto-West Germanic *un-
Old English un-
Middle English un-
English un-
Proto-Indo-European *h₁reh₁-
Proto-Indo-European *h₁roh₁-(ye-)-tider.
Proto-Germanic *rōaną
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Germanic *-þrą
Proto-Germanic *rōþrą
Proto-West Germanic *rōþr
Old English rōþor
Middle English rother
English rudder
English -ed
English ruddered
English unruddered
From un- + ruddered.