Reconstruction:Proto-Celtic/tri-

This Proto-Celtic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Celtic

Etymology

From Proto-Indo-European *tri-; prefix counterpart of *trīs.

Prefix

*tri-

1. three

Descendants

• Proto-Brythonic: *trɨ-
  • Middle Welsh: try-
    • Welsh: try-
• Old Irish: tri- (original form), tre- (more common)
  • Middle Irish: tre-
• Gaulish: tri- (in e.g. trigaranus)