Reconstruction:Proto-Celtic/dekam

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 *déḱm̥.

Numeral

**Proto-Celtic cardinal numbers**
< 9	10	20 >
Cardinal : dekam Ordinal* : *dekametos

*dekam

ten

Descendants

Proto-Brythonic: *deg
- Old Breton: dec
  - Middle Breton: dek
    - Breton: dek
- Cornish: deg
- Cumbric:
  - → English: dick
- Middle Welsh: deg
  - Welsh: deg
Old Irish: deich
- Irish: deich
- Manx: jeih
- Scottish Gaelic: deich