Piuthar
'S e am pàisd boireann ar pàrantan a th' ann am piuthar.[1] 'S ann às an fhacal *swésōr ann am proto Innd-Eòrpais a th' ann am piuthar (Seann-Ghàidhlig: fiur, Gaeilge: deirfiúr, Cuimris: chwaer, Breatannais: C'hoar). B' e gun do dh'atharraich sw gu s gu f gu p fad corr is 3000 bliadhna.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/William-Adolphe_Bouguereau_%281825-1905%29_-_Two_Sisters_%281901%29.jpg/220px-William-Adolphe_Bouguereau_%281825-1905%29_-_Two_Sisters_%281901%29.jpg)
Iomraidhean
deasaich- ↑ Solmeyer, Anna; McHale, Susan; Crouter, Ann: Longitudinal Associations Between Sibling Relationship Qualities and Risky Behavior Across Adolescenc, Development Psychology. 50: 600–610
Ceanglaichean a-mach
deasaich Wiktionary: piuthar – Barrachd fiosrachaidh mun fhacal seo