תְּקֵף (tĕqēp) is
an Aramaic verb
meaning grow strong. It appears
5 times
in 1 book of the Hebrew Bible
(Strong's H8631).
Same Hebrew root (TWOT 3065)
Root family 3065: תְּקֵףtĕqēp — grow strong. The Hebrew equivalent may be an Aramaism. It is found only in Job and Eccl but there is no proof here that the word is late, as BDB asserts. Aramaic influence is now recognized as much older than the exilic period