sgamhan

the lungs, liver, Irish sgamhán, lungs, Middle Irish scaman, Welsh ysgyfaint, lights, Cornish skefans, Breton skeveñt; from Irish scaman, levis, Welsh ysgafn, light, Cornish scaff, Breton skanv, light (cf. for force English lights, Russ. legkoe, lungs, from legkii, light): *skamno-; cf. Norse skammr, short, Old High German scam, short.