densened

Verb

densen (third-person singular simple present densens, present participle densening, simple past and past participle densened)

1. (intransitive) To become dense or more dense.
   • I see a singing darkness in my unseeing eyes. Of neither water, nor earth, nor night. It quivers, densens, then explodes in black. Then it falls away in strings of rippling beads. And again it quivers, densens. Can you hear it?1992, Wiesław Myśliwski, The palace, page 109