Langues, discours, société: Pour Emile Benveniste. — Ed. by J. C. Millner et al. — Paris: Editions du Seuil, 1975. — P. 208-214.
Comparing Hitt.
UZUšuppa- 'meat reserved for sacred usage' with Umbrian supa 'meat or entrails offered to the gods' (?), Watkins reconstructs IE *seup- 'ce qui est interdit au contact des hommes'.