Where does “trato” come from?

trato (Portuguese) comes from Portuguese tratar, from Portuguese tractar, from Latin tractāre, from Latin tractō, from Latin -tō, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

trato (Portuguese): manner; deal, pact, treaty; treatment

Definitions

  1. manner; deal, pact, treaty; treatment

Ancestry of “trato”, step by step

trato traces back through two separate lines of ancestry.

via Portuguese tratar

StepLanguageWordMeaning
1Portuguesetratarto treat; to feed; to treat; to negotiate with
2PortuguesetractarObsolete spelling of tratar
3Latintractāre
4Latintractōto tug, drag or haul
5Latin-tōForms here
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots

via Latin tractus

StepLanguageWordMeaning
1Latintractusdragged, having been dragged; trailed, having...
2Latintraheresecond-person singular future passive indicative...
3LatintrahoI drag, pull; I trail; I extract, withdraw
4Proto-Italictraɣō
5Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
6Proto-Indo-Europeandʰregʰ-to run
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō