Lexical Definition

‎תְּקֵף‎ tᵉqêph (tek-afe') to grow strong A:V
(Aramaic) corresponding to ‎תָּקַף‎

make firm, harden, be(-come) strong.

1) to grow strong, be hardened
1a) (P'al)
1a1) to grow strong, be hardened
1a2) to grow arrogant (fig)
1b) (Pael) to make strong, make firm, make stringent

See Greek: ἐνισχύω · ἰσχύω · κραταιόω

Usage: 4 forms in 5 verses
Form Translated As     In Verse(s)
תִּֽקְפַ֣ת it grew strong Dan.5.20
וּתְקֵ֑פְתְּ and you have grown strong Dan.4.22
וּתְקִ֑ף and it grew strong Dan.4.11Dan.4.20
וּלְתַקָּפָ֖ה and to make stringent Dan.6.7

Brown-Driver-Briggs

[‎תְּקֵף‎] verb grow strong (ᵑ7 Syriac; Biblical Hebrew, q. v., (late)) —

Pe`al Perfect 3 masculine singular ‎תְּקִ֑ף‎, of tree, Dan 4:8*; Dan 4:17* 2 masculine singular ‎תְּקֵמְתְּ‎ Dan 4:19* of king; 3 feminine singular ‎תְִּקַפַת‎ Dan 5:20 figurative grow arrogant, of spirit of man. Pa`el make strong, stringent: Infinitive ‎לְתַקָּפָה‎ Dan 6:8* accusative of interdict.

Brown-Driver-Briggs References

Book Refs
Daniel 4:8* · 4:17* · 4:19* · 5:20 · 6:8*