stroll, pace, walk slowly
踱 centers on slow, deliberate walking: strolling, pacing, or moving at a leisurely, measured pace.
踱 combines 足 (foot) with 度, which likely contributes the sound and may suggest measured steps. The exact historical development is uncertain.
The foot radical 足 beside 度 suggests measured steps: imagine a person pacing slowly, each step taken with deliberate care.
For タク, picture someone strolling along a dock, their slow pace matching the rhythm of the water: dock -> タク.