Tagalog edit

Etymology edit

From a blend of daigdig (world; earth) +‎ hanayan (classification).

Pronunciation edit

Noun edit

dignayan (Baybayin spelling ᜇᜒᜄ᜔ᜈᜌᜈ᜔)

  1. (originally neologism) geology
    Synonyms: heolohiya, paladutaan, dutaan