English
sagaciousness
From sagacious + -ness.
A compound of sagacious + -ness
Proto-Indo-European *seh₂g- ‘to seek out’
Proto-Indo-European *séh₂gyeti ‘to seek out, to track’
Proto-Italic *sāgiō
Latin sāgiō ‘to perceive’
Latin sagāx ‘of quick perception, having acute senses’
English sagacious
Today it means
noun The state of being sagacious; an acuteness of perception or discernment.
Language periods are conventional ranges, not dates for this word.
Etymograph / sagaciousness