Yeah, I don’t think it really matters what word is considered a better translation. It is talking about humans becoming property.

In Exodus 21:2-11, it says Hebrew men are restricted to being indentured servants for 6 years unless they volunteer for more. And Hebrew girls/women are sold forever, just not to foreign nations. And in Leviticus 25:44-46, it directly addresses that gentiles can be enslaved, sold, and inherited with no special restrictions.

A slave by another name is still a slave.