| This Proto-Basque 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. |
Perhaps from an earlier *da-dats, itself a reduplication of *dats.
Alternatively Ulhenbeckez suggests a derivation from *adaR with the obscure -ts suffix which is less probable.
*adats
Uhlenbeck (1891: 225, 1909c: 421)