The Austronesian Comparative Dictionary

*sipo descend; go down; land from a boat

POC sipo descend; go down; land from a boat

OC
Hawaiian iho to go down, descend; to go south or before the wind; down, below
Marshallese téw disembark; climb off of; climb down; strut of a rooster
Woleaian -tiwe directional suffix: downward, down, westward
Puluwat -tiw direction suffix: down, west
Chuukese tiwe-tiw disembark, go ashore, fail to embark, drop out (of a passenger list), step down
-tiw down, west, westward
Pohnpeian -di downwards; used with verbs of confining or securing to indicate the action has been carried through to its logical conclusion
Mokilese -di down (directional suffix)
Nukuoro iho get down, climb down; down
Gilbertese -rio lower or west side (opposite of), used only in compound words
wai rio to go towards the west, to descend
rio mai to come, to advance from the west, from lower down
Mussau sio down
Vitu ziho go down; go towards the land (when in a boat)
Kove sio down
Lakalai sivo to descend, go down
Gitua sio lower
Toqabaqita sifo-a group of people moving down or disembarking
sifo go, move down, descend, more or less vertically; disembark from a canoe; move along the coastal road with the sea on the right
Lau sifo to go down; downcast, of face
sifo-li to let down
Tuvaluan ifo downwards; bow down in prayer
Kwaio sifo down, go down; become desacralized; corpse, died from wasting due to illness from sorcery or supernatural causes
Sa'a siho-ŋa a descent, disembarcation
si-siho to descend, to disembark, to land
siho i one to land from a canoe on the beach
siho-li to descend upon
zio down, downward
Motu diho to go down, descend, land from a boat
Anuta ipo to descend; downwards
Rennellese iho directional particle and verb: downward, seaward; northward or westward; to go or come fishing (since this is always downward); to have an incline (as the sun dropping in the west)
Rotuman sio down, downwards, etc.
Samoan ifo bow (down); give in, surrender; worship; make a formal apology; down
Futunan ifo descend
ifo-ifo descend gently
Wayan civo down, downwards
Fijian sivo debased, put down, out of office; dismissal
Niue ta-hifo to lower, make inferior
hifo down, downwards, southwards, westwards; to go down, to go south or west; below, under
hifo-hifo inclining downwards
Tongan hifo to go down, descend; to dismount, get down, get out (of a vehicle), alight; to get off, go ashore (from a boat), disembark; to go down to the beach (from farther inland) or into the water (from the land); to be deposed or dismissed from office
Rarotongan io down, downwards, from above; to cause to come down upon
Maori iho from above, downwards, down; denoting immediate sequence of events or ideas
Proto-Micronesian siwo down; westward

POC paka-sipo (gloss uncertain)

OC
Hawaiian hoʔi-iho cause to go down; beside that, also, furthermore
Kwaio faka faa-sifo ship returning plantation workers
Rennellese haka-iho to lower, drop; to request peace ceremonially, as by presenting a gift; to exorcise, as the forest deity Mata’u, from a newly cut canoe log
Samoan faʔa-ifo come down, descend
Wayan vaka-civo to say ‘Ā maca’ (Ah! Empty!) and clap as a mark of respect after a person has drained his cup of kava
Fijian vaka-sivo-ya to dismiss, depose
Tongan faka-hifo to put down, put off, unload (cargo or boat); to depose, dismiss, or expel, from office or membership