Possibly a blend of isig + himo + -an.
sigmuan (Baybayin spelling ᜐᜒᜄ᜔ᜋᜓᜀᜈ᜔)
- (neologism) mechanism
- Synonym: mekanismo
- 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