You need to specify Irish Gaelic or Scottish Gaelic: they are two separate languages.
Slán leat, a sheanchara.
Irish Gaelic has seanchara (old friend): the closest Scottish Gaelic found is seann-eòlach (old acquaintance)
Luch in Old Irish Gaelic is topo ("mouse") in Italian.
"Cén aois tú?" in Irish.
Gaiscíoch SíochánaLaoch SíochánaThat's modern Irish not Old Irish.
Gaelic or Old Irish
Scottish Gaelic and Irish Gaelic are both part of the Goidelic branch of the Celtic languages. They share a common ancestry, originating from Middle Irish. However, they developed independently from each other over time, leading to differences in pronunciation, vocabulary, and grammar.
IRISH Gaelic is 'fear céile'. SCOTTISH Gaelic is: ??
'Big tree' is 'Crann mór', 'old tree' is 'Seanchrann'.
In Irish, it's Sean or aosta; In Scottish Gaelic, it is seann or aosda.
The Gaelic or Irish language dates back as far as 500 AD. This means the language was first written over 1500 years ago. Gaelic has evolved into modern day Irish and is spoken by a 80% of Ireland.
The Irish equivalent of Denis is Donnchadh; Scottish Gaelic: ?
In Old Irish Declán and Deaglán in Modern Irish. No meaning is given in "Gaelic Personal Names".