In Irish it would be 'deirfiúr dhil'.
Deirfiúr dhil
my sister - mo dheirfiúr
deirfiúr
mo dheirfiúr
'Your sister and friend' is 'Do dheirfiúr agus do chara'.
Deirfiúr.DeirfiúrDeirfiúr [drifoor]
In Irish it's do dheirfiúr (your sister) d'aingeal (your angel)
Irish: deirfiúracha Scottish: peathraichean
do dheirfiúr do shaol
grá deirféar
=Scottish Gaelic: piuthar==Irish Gaelic: deirfiúr=
Deirfúir is the word used in Irish for sister; the Scots Gaelic word is piuthar.