Where does “tacita” come from?

tacita (Spanish) comes from Spanish taza, from Arabic طاسة, from Arabic طَاس, from Persian تست, from English Test, from German testen, from German Test, from English test — to stand.

Ancestry of “tacita”, step by step

StepLanguageWordMeaning
1Spanishtazacup, mug; toilet bowl
2Arabicطاسةalternative form of طَاس
3Arabicطَاسbowl, basin; bowl, cup
4Persianتستtest
5EnglishTesta Test match
6Germantestento test
7GermanTesttest; melting pot
8EnglishtestA challenge, trial; A cupel or cupelling hearth...
9Middle Englishteste
10Old Frenchtestehead
11Latintestiswitness; one who testifies or attests; testicle
12Latinterstis
13Latintrīstissad, unhappy, melancholy, morose
14Proto-Indo-Europeantristh₂sa third party standing, after the two parties to...
15Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European tristh₂sEvery word from Latin trīstis