Where does “grian-stad samhraidh” come from?
grian-stad samhraidh (Scottish Gaelic) comes from Scottish Gaelic grian-stad, from Scottish Gaelic stad, from Old Irish stad, from Latin stātus, from Latin stō, from Proto-Italic staēō, from Proto-Indo-European sth₂éh₁yeti, from Proto-Indo-European *steh₂-.
grian-stad samhraidh (Scottish Gaelic): summer solstice
Ancestry of “grian-stad samhraidh”, step by step