From i- + butod.
ibutód (Baybayin spelling ᜁᜊᜓᜆᜓᜇ᜔)
- (cytology) nucleolus
- del Rosario, Gonsalo (1969) Maugnaying Talasalitaang Pang-agham : Ingles-Pilipino [Correlative Word List for Sciences : English-Filipino] (overall work in English and Tagalog), Manila: National Book Store, Inc., →LCCN, →OL