Where does “bràthair-cèile” come from?

bràthair-cèile (Scottish Gaelic) comes from Scottish Gaelic cèile, from Old Irish céile, from Old Irish -ide, from Old Irish -de — Used to form adjectives from nouns, denoting...

bràthair-cèile (Scottish Gaelic): brother-in-law

Definitions

brother-in-law

Ancestry of “bràthair-cèile”, step by step

bràthair-cèile traces back through two separate lines of ancestry.

via Scottish Gaelic cèile

Step	Language	Word	Meaning
1	Scottish Gaelic	cèile	spouse, husband, wife; counterpart, fellow;...
2	Old Irish	céile	servant, bondsman, subject; liege, vassal, the...
3	Old Irish	-ide	—
4	Old Irish	-de	Used to form adjectives from nouns, denoting...

via Scottish Gaelic bràthair

Step	Language	Word	Meaning
1	Scottish Gaelic	bràthair	brother, male sibling
2	Old Irish	bráthair	brother, cousin, kinsman
3	Proto-Celtic	brātīr	brother
4	Proto-Indo-European	bʰréh₂tēr	brother

Every word from Old Irish -de →Every word from Old Irish -ide →Every word from Old Irish céile →