Usage: 5 forms in 10 verses
Form Translated As     In Verse(s)
τριστάτησ his tribune LXX.2Kgs.15.25
tribune LXX.2Kgs.7.2 • LXX.2Kgs.7.19
τριστάτην his tribune LXX.2Kgs.9.25
tribune LXX.2Kgs.7.17
τριστάτασ tribunes LXX.Exod.14.7 • LXX.Exod.15.4 • LXX.Ezek.23.23
τριστάταισ tribunes LXX.2Kgs.10.25
τριστάται tribunes LXX.2Kgs.10.25

Liddell-Scott-Jones

τριστάτης (tristatēs) a tribune G:N-M

τριστάτης-στάτης [ᾰ], ου, ὁ,

one who stands next to the king and queen, vizier, [LXX+5th c.AD+]