Octopus from Greek ὀκτώπους = oktō (eight) + pous (foot), PIE *oḱtṓw + *ped-. Connects to octagon/October/octave through 'eight' and to podium/tripod/antipodes/pedestrian through 'foot.' The plural debate (octopuses vs octopi vs octopodes) is one of English's most delightful grammar battlegrounds.
A cephalopod mollusc with a soft body, eight sucker-bearing arms, and no internal shell, noted for intelligence and colour-changing ability.
From Modern Latin octōpus, from Greek oktōpous (eight-footed), composed of oktō (eight) + pous / podos (foot). Greek oktō descends from Proto-Indo-European *oḱtō(w) (eight), one of the most stably transmitted numerals in Indo-European: Sanskrit aṣṭa, Latin octō, Gothic ahtau, Old English eahta, Welsh wyth. The *pod- root (foot) is equally