The story
- Proto-Indo-European*h₂eḱ-
- Proto-Indo-European*h₂eḱéh₁yeti
- Proto-Italic*akēō
- Latinaceō
- Latinaciēs
- English todayacies
Borrowed from Latin aciēs (“edge, sharpness”).
Etymology from Wiktionary, CC BY-SA 4.0.
acies
Today it means: The full attention of one's sight, hearing or other senses, as directed towards a particular object. Full definition →
Latin aciēs ← Proto-Italic *akēō ← Proto-Indo-European *h₂eḱéh₁yeti