Usage: 4 forms in 8 verses
Form Translated As     In Verse(s)
ψελλίω for a clasp LXX.Job.41.2
ψελλία bracelets LXX.Gen.24.22LXX.Gen.24.47
ψέλλιον bracelet LXX.Num.31.50
ψέλλια bracelets LXX.Gen.24.30LXX.Isa.3.20LXX.Ezek.16.11LXX.Ezek.23.42

Liddell-Scott-Jones

ψέλλιον (psellion) a bracelet G:N-N

ψέλλιον,

later sometimes ψέλλιον (variant in [Refs 5th c.BC+], in Inscrr. ψίλιον, ψίλλιον (which see), τό:— armlet or anklet, ψέλλιον περὶ ἑκατέρῃ τῶν κνημέων [Refs 5th c.BC+]; mostly in plural ψέλια, a favourite ornament of the Persians, [Refs 5th c.BC+]; worn by women in Egypt, [Refs 1st c.BC+], etc., and in Greece, [Refs 1st c.AD+]

__2 an iron implement, perhaps agricultural, [Refs 3rd c.BC+]; ψελίου καὶ δρεπάνου [Refs 3rd c.BC+]
__II οἱ Δωριεῖς ψέλλιον καλοῦσι τὸ ἄκρον· ὅθεν καὶ ἡμεῖς τὴν ἐπ᾽ ἄκρων χειλέων λεγομένην προσῳδίαν ψιλὴν ἐκαλέσαμεν, ὥς φησι Τρύφων [ψέλλιον is distinguished from ψάλιον by 1st-2nd c.AD: Ammonius Grammaticus “περὶ ὁμοίων καὶ διαφόρων λέξεων” p.142 V., Ptol.Asc. p.396H., but is the later form of ψάλιον \_accusative\_ to Moer. p.420P., Scholia 5th c.BC: Euripides Tragicus “Phoenissae” 792 ">Refs 5th c.BC+] (ἔστι δὲ ψέλλιον κρίκος τοῦ χαλινοῦ, ἁπλῶς κρίκος) and this may be the meaning in [Refs]