Entry record from Sneddon (1984a): Proto-Sangiric
Page number: 65
*o/untap
• to operate bellows.
Note: Sangir, Sangil ontaʔ, Siau untaʔ, Ratahan untap to operate bellows; Sangil ontap-eŋ cylinder of bellows [PMin *untap operate bellows; PPh *uNtapan bellows].