The story
- Proto-Indo-European*sem-
- Proto-Indo-European*sēmi
- Latinsēmi-
- English todaysemi-
Borrowed from Latin semi- (“half”), from Proto-Indo-European *sēmi/*sēmi-. Cognate to English sam, and to hemi- (via Ancient Greek).
Words from the same roots
Latinsemi- all →
semibrevesemisomnia
Etymology from Wiktionary, CC BY-SA 4.0.