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.4.11 • Dan.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*