Where does “Hattyas” come from?

Hattyas (Hungarian) comes from Hungarian hattyú, from Proto-Ugric kottɜŋɜ, from Proto-Turkic kugu — swan.

Ancestry of “Hattyas”, step by step

StepLanguageWordMeaning
1Hungarianhattyúswan
2Proto-Ugrickottɜŋɜswan
3Proto-Turkickuguswan
Every word from Proto-Turkic kugu →Every word from Proto-Ugric kottɜŋɜ →Every word from Hungarian hattyú →