Where does “Glásgua” come from?

Glásgua (Portuguese) comes from Latin Glasgua, from English Glasgow, from English Kew, from English thank you, from English thank-you, from English You, from Middle English yow, from Old English ēow — you, thou.

Ancestry of “Glásgua”, step by step

StepLanguageWordMeaning
1LatinGlasgua
2EnglishGlasgow
3EnglishKewOS grid ref TQ1977
4Englishthank youAn expression of gratitude or politeness in...
5Englishthank-youAn expression of gratitude; That expresses thanks
6EnglishYouHonorific alternative letter-case form of you,...
7Middle EnglishyowSecond-person plural object pronoun: you;...
8Old EnglishēowWo!, Alas!; sheep
9Proto-West Germaniciwwiz
10Proto-Germanicizwizaccusative/dative/instrumental of *jūz
11Proto-Germanic*jūz
12Proto-Indo-Europeantúh₂you, thou
Every word from Proto-Indo-European túh₂Every word from Proto-Germanic *jūzEvery word from Proto-Germanic izwiz