wherealong

conjunction /ˌʍɛː.əˈlɒŋ,ˌʍɛɻ.əˈlɔŋ/

Along which.

Magnitude, figure, and motion, are reputed both by learned and vulgar to reside in the bodies wherein we observe them : yet it cannot be denied, that the suffer alterations in their conveyance to the mind, whether that be made through the sight, or the touch ; they being all motion in the rays of light, the organs or other channels wherealong they pass, and that a different kind of motion from any in the bodies themselves.

See Also: herealong, therealong