Complex sentence: The name Humptulips may have come from a local Native American language, meaning'hard to pole', referring to the difficulty local Native Americans had poling their canoes along the Humptulips River.
Split into simpler sentences: The name Humptulips may have come from a local Native American language, meaning'hard to pole.' The word references the difficulty the local Native Americans had poling their canoes along the local Humptulips River.