Where does “questes” come from?

questes (Middle English) comes from Middle English quest, from Anglo-Norman queste, from Latin quaesta, from Latin quaesita, from Latin quaesitus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “questes”, step by step

questes traces back through two separate lines of ancestry.

via Middle English quest

StepLanguageWordMeaning
1Middle EnglishquestA legal inquest or investigation; a session of...
2Anglo-Normanquestesearch; act, instance of searching
3Latinquaestatribute, tax, inquiry, search
4Latinquaesitanominative feminine singular of quaesītus;...
5Latinquaesitussought for, having been sought for; asked, having...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots

via Middle English quiste

StepLanguageWordMeaning
1Middle EnglishquisteOne's will and testament; Bequest, inheritance
2Old Englishcwissa derivative of {{m|ang|cweþan||to say}}; saying
3Proto-Germanickwissizspeech, saying
4Proto-Indo-Europeangʷét-resin, gum
Every word from Proto-Indo-European -tus