The Austronesian Comparative Dictionary

*keteŋ straighten out, of a limb, etc.

PMP keteŋ straighten out, of a limb, etc.

WMP
Maranao keteŋ to pull (as a rope)
Manobo (Western Bukidnon) keteŋ straighten out an object, such as one's arm, a piece of wire, etc.
Mansaka kutuŋ to pull taut (as string); to parade in a straight line
Sangir kətiŋ taut, to stretch til taut
Karo Batak keteŋ stretched taut, distended, of the belly
Malay ketaŋ taut, tightly astretch
Tontemboan kətəŋ tight, taut
Javanese keṇṭeŋ stretched thread, rope (used to trace a line, etc.)
OC
Bugotu goto-hi stretch the arms, legs, body
Nggela goto fathom, measure of both arms extended
Arosi ʔoo straight; stretch the legs, straighten
Fijian koto to lie in a place
Tolai ot straight