Indo-European copula copula (with corresponding voiceless and voiced fricatives) existed side by side in Germanic, and the involvement of a separate root "" is unnecessary. The root "*(s)teh-" meant "to stand". From this root comes the present stem of the so-called "substantive verb" in Irish and Scottish Gaelic, "tá" and "tha" respectively. On the absence of the initial s- in Celtic, see Indo-European s-mobile. In Latin, "stō, stare" retained the meaning "to stand", until local forms of Vulgar Latin began to use it as a copula in certain circumstances. Today, this survives in that several Romance languages (Galician-Portuguese, Spanish, Catalan) use it
Name of Galicia of their fair skin, as the Gauls. For they are fairer than the rest of the peoples of Spain.' Currently, scholars relate the name of the ancient Callaeci either to the Proto-Indo-European *kal-n-eH 'hill', derived through a local relational suffix -aik-, so meaning 'the hill (people)'; or either to Proto-Celtic *kallī- 'forest', so meaning 'the forest (people)'. Anyway, "Galicia", being "per se" a derivation of the ethnic name "Callaicoi", would mean the "land of the Galicians". The "Callaeci" were the first tribe in the area to help the Lusitanians against the invading Romans, and gave their name to the rest