English

insagacious

From in- + sagacious.

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

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’

Today it means

adj Not sagacious.

Language periods are conventional ranges, not dates for this word.

Etymograph / insagacious