Blend of buhay + bato.
haytó (Baybayin spelling ᜑᜌ᜔ᜆᜓ)
- (paleontology, neologism) fossil
- 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