Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
πολυωρήσεισ You shall take great care LXX.Ps.138.3
πολυωρήσει shall take great care LXX.Deut.30.9
επολυώρησασ you took great care LXX.Ps.12.8

Liddell-Scott-Jones

πολυωρέω (poluōreō) to take great care G:V

πολυωρέω-έω,

(ὤρα) treat with much care, with genitive, [Refs 3rd c.BC+]: Doric dialect aorist ἐπολυώρη᾽ε [Refs 2nd c.BC+] having observed her carefully, [Refs 3rd c.BC+]: absolutely, Test. cited in [Refs 4th c.BC+]; esteem highly, [Refs 4th c.BC+]:—passive, [Refs 4th c.BC+]to have been cared for, PCair. Zen. [Refs 3rd c.BC+]