This is the 9775th most frequent Japanese word.
血塗ら
"血塗ら" means "bloodstained" or "covered in blood."
Here, '血塗られた' refers to the state of being stained with blood, modifying the noun '剣' (sword).
彼の手は血塗られた剣を握っていた。
His hand was gripping a bloodstained sword.
In this sentence, '血塗られた' describes '歴史' (history), indicating a history marked by bloodshed or violent events.
その戦場は血塗られた歴史を持っている。
That battlefield has a bloodstained history.
Here, '血塗られた' is used to emphasize the negative connotations linked to '政権' (regime), indicating acts of violence or oppression.