OET interlinear PSA 106:38

uW Translation Notes:

Note 1 topic: figures-of-speech / metonymy

וַ⁠יִּֽשְׁפְּכ֨וּ דָ֪ם נָקִ֡י

(Some words not found in UHB: and,they_shed blood innocent blood_of their_sons_of,their and,daughters_of,their which/who sacrificed to,the_idols_of Kənaˊan/(Canaan) and,it_was_polluted the=earth/land by,blood(s) )

Here, blood represents the lives of people. If it would be helpful in your language, you could use an equivalent expression or state the meaning plainly. Alternate translation: [They killed innocent people]

Note 2 topic: figures-of-speech / metonymy

אֲשֶׁ֣ר זִ֭בְּחוּ לַ⁠עֲצַבֵּ֣י כְנָ֑עַן

(Some words not found in UHB: and,they_shed blood innocent blood_of their_sons_of,their and,daughters_of,their which/who sacrificed to,the_idols_of Kənaˊan/(Canaan) and,it_was_polluted the=earth/land by,blood(s) )

Here, idols represents the spiritual beings that the people believed the idols represented. If it would be helpful in your language, you could use an equivalent expression or plain language. Alternate translation: [whom they sacrificed to the spirits that the people of Canaan worshiped]

Note 3 topic: figures-of-speech / explicit

וַ⁠תֶּחֱנַ֥ף הָ֝⁠אָ֗רֶץ בַּ⁠דָּמִֽים

(Some words not found in UHB: and,they_shed blood innocent blood_of their_sons_of,their and,daughters_of,their which/who sacrificed to,the_idols_of Kənaˊan/(Canaan) and,it_was_polluted the=earth/land by,blood(s) )

By the land was desecrated by bloodshed, the psalmist means that the land became unfit for God’s people to live in because of the murders committed there. You could indicate this explicitly in your translation if that would be helpful to your readers. Alternate translation: [and the land became unfit for the people of God to live in because they murdered people there]