Where does “testudo” come from?

testudo (Portuguese) comes from Portuguese -udo, from Latin -utus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

testudo (Portuguese): having a big forehead

Definitions

  1. having a big forehead

Ancestry of “testudo”, step by step

StepLanguageWordMeaning
1Portuguese-udoA suffix appended to nouns of parts of the body...
2Latin-utus
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus
5Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Portuguese -udo