en_tn/2ch/21/08.md

In Jehoram's days

AT: "While Jehoram was king"

from the power of Judah

AT: "against Judah's control" (See: rc://en/ta/man/translate/figs-metonymy)

crossed over

AT: "crossed the border into Edom"

to this present day

See how you translated this in 2 Chronicles 5:9

Libnah

This was a town in Judah. (See: rc://en/ta/man/translate/translate-names)