Irish teach

← Proto-Celtic *tegos (inherited)

← Proto-Indo-European *(s)teg- (root)

← Proto-Indo-European *tegos (inherited)

← Old Irish tech (inherited)

→ Irish teaghlach (mention)

→ Irish teachín (affix)

→ Irish díonteach (affix)

→ Irish urtheach (affix)

→ Irish teach óil (affix)

→ Irish cruinnteach (affix)

→ Irish proinnteach (affix)

→ Scottish Gaelic bàthach (link)