Where does “cresta” come from?

cresta (Old Portuguese) comes from Latin crista, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

Ancestry of “cresta”, step by step

StepLanguageWordMeaning
1Latincristathe crest, the plume; the comb or tuft on the...
2Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth
Every word from Proto-Indo-European (s)ḱer- →Every word from Latin crista →
cresta — Etymology, Origin & Word History | Etymology Explorer