maternal ancestor

17 LETTERS · STARTS WITH M

maternal ancestor is a valid 17-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3A1T1E1R1N1A1L1A1N1C3E1S1T1O1R1

3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does maternal ancestor mean?