This is the 1133rd most frequent French word.
décédée
Deceased.
In this sentence, 'décédée' is used as the past participle of 'décéder,' indicating the action of passing away as it applies to 'ma grand-mère.'
Ma grand-mère est décédée l'année dernière.
My grandmother passed away last year.
'Décédée' functions as an adjective describing the noun 'la femme,' referring to her state as deceased.
La femme décédée était connue pour sa générosité.
The deceased woman was known for her generosity.
Here, 'décédée' is used again as a past participle, but within a more complex tense construction to indicate an action completed before another event.