Where does “Brittaniku” come from?

Brittaniku (Maltese) comes from Italian britannico, from Latin britannicus, from Latin Britannia, from Ancient Greek Βρεττανία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “Brittaniku”, step by step

StepLanguageWordMeaning
1ItalianbritannicoBritish, Britannic
2LatinbritannicusBritish
3LatinBritanniaBritain
4Ancient GreekΒρεττανίαthe British Isles
5Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
6Proto-Indo-European-íh₂
7Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂Every word from Ancient Greek -ῐ́ᾱEvery word from Ancient Greek Βρεττανία