How do you say "maternal grandmother" in Hokkien?

3 ways to say “maternal grandmother” in Philippine Hokkien.

• guā-tsóo-bió外祖母 maternal grandmother Hear it said
• guā-ke-má外家媽 maternal grandmother (the mother of one's mother) Hear it said
• guā-má外媽 maternal grandmother Hear it said

Some entries are derived from English Wiktionary and used under CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/