P / prae-nūbĭlus
adjective

prae-nūbĭlus

fem. prae-nūbĭla · neut. prae-nūbĭlum
very cloudy; very dark; gloomy poetic
very cloudy, very dark or gloomy (poet.): densā praenubilus arbore lucus, Ov. Am. 3, 13, 7.