adincresco
Could not find adincrescant in Logeion dictionaries.
adincrescant Verb: present active subjunctive 3rd plural of adincresco
ăd-incresco, ĕre, v. n.,
- to increase, Vulg. Eccli. 23, 3.
ad-incrēsco, ere, mehr und mehr wachsen, -zunehmen, Vulg. Sirach 23, 3.
ădincrēscō, ĕre, intr., croître, augmenter : Vulg. Eccli. 23, 3.