Scottish Gaelic is

← Scottish Gaelic agus (clipping)

← Proto-Indo-European *h₁es- (derived)

← Old Irish is (inherited)

→ Scottish Gaelic Malaidhis (suffix)

→ Scottish Gaelic seadh (affix)

→ Scottish Gaelic 's e (affix)

→ Scottish Gaelic iasg is tiops (mention)