Lexical Definition

‎נָתַר‎ nâthar (naw-thar') to start H:V
a primitive root

drive asunder, leap, (let) loose, [idiom] make, move, undo.

1) to start up, tremble, shake, spring up
1a) (Qal) to start up
1b) (Piel) to leap
1c) (Hiphil) to cause to start up
2) to loose, let loose, undo, be free, be loose
2a) (Hiphil)
2a1) to unfasten, loosen
2a2) to set free, unbind

See Greek: διαλύω · διαμένω · ἐξαίρω · λύω · φυλάσσω

Usage: 5 forms in 5 verses
Form Translated As     In Verse(s)
מַתִּ֥יר setting free Ps.146.7
יַתֵּ֥ר may he loosen Job.6.9
וַיַּתֵּ֥ר and he set free 2Sam.22.33
וַיַּתִּירֵ֑הוּ and he set free him Ps.105.20
הַתֵּ֖ר to unfasten Isa.58.6

Extended Information

Brown-Driver-Briggs

I. [‎נָתַר‎] verb spring or start up; —

Qal Imperfect ‎וְיִתַּר מִמְּקוֺמוֺ‎ Job 37:1 yea, it (the heart) starts up from its place (|| ‎יֶחֱרַד‎). Pi`el Infinitive ‎לְנַתֵּר בָּהֵן עַלהָֿאָרֶץ‎ Lev 11:21 (P), to leap with them (i.e. its legs) upon the earth (of locust). Hiph`il Imperfect ‎וַיַּתֵּר גּוֺיִם‎ Hab 3:6 he (‎׳‎‎י‎) looked, and made nations start up.

II. [‎נָתַר‎] verb be free, loose (? usually placed below I., but connection not obvious; compare also Late Hebrew Niph`al free oneself, Hiph`il = Biblical Hebrew; perhaps compare Arabic rend a garment, break string (of bow), etc.); —

Hiph`il Imperfect 3 masculine singular jussive ‎יַתֵּר‎ Job 6:9 suffix ‎וַיַּתִּירֵהוּ‎ Ps 105:20 Infinitive absolute ‎הַתֵּר‎ Isa 58:6 Participle ‎מַתִּיר‎ Ps 146:7

1. unfasten, loosen, with accusative of thing; thongs of yoke Isa 58:6 (|| ‎פַּתֵּחַ‎, ‎תְּנַתֵּ֑קוּ‎).

2. set free, unbind with accusative of person, prisoners Ps 105:20 (|| ‎וַיְפַתְּחֵהוּ‎), Ps 146:7 figurative ‎יַתֵּר יָדוֺ‎ Job 6:9 that he would let loose his hand and cut me off, — ‎וַיַּתֵּר‎ 2Sam 22:33 was possibly connected by Masoretes with ‎תּוּר‎ (see Commentaries), but read ‎וַיִּתֵּן‎ (as || Ps 18:33*).

Brown-Driver-Briggs References

Book Refs
Leviticus 11:21
2 Samuel 22:33
Job 6:9 · 37:1
Psalms 18:33* · 105:20 · 146:7
Isaiah 58:6
Habakkuk 3:6