This is the 12105th most frequent French word.
témoignaient
"(They) testified" or "(they) showed."
In this sentence, 'témoignaient' is used to indicate something through existence or appearance, expressing evidence or representation.
Les bâtiments anciens témoignaient d'une époque révolue et pleine d'histoire.
The old buildings testified to a bygone era full of history.
Here, 'témoignaient' describes the action of showing or expressing, in this case, solidarity.
Les habitants témoignaient leur solidarité envers les réfugiés.
The inhabitants were demonstrating their solidarity towards the refugees.
In this context, 'témoignaient' conveys illustrating or reflecting an attribute, specifically wisdom.