11 letters · 28 points in Scrabble
noun carrying something in a pack on the back
verb hike with a backpack
originEtymology tree Proto-Indo-European *bʰeg-der.? Proto-Germanic *baką Proto-West Germanic *bak Old English bæc Middle English bak English back English pack English backpack Proto-Germanic *-ungō Old English -ung Middle English -ynge English -ing English backpacking From backpack + -ing.
Etymology from Wiktionary, CC BY-SA 3.0