Schindler Jochem. On the Greek type ἱππεύς

Studies in Greek, Italic, and Indo-European Linguistics Offered to Leonard R. Palmer. — Ed. by A. Morpurgo Davies and W. Meid. — Innsbruck: Institut für Sprachwissenschaft der Universität Innsbruck, 1976. — (IBS 16). — P. 349–352.Schindler argues that the suffix *-ēw- / -ew- originated in secondary derivation of hysterokinetic u-stems from thematic stems: nom. *h₁ekwe-w-s, gen. *h₁ekwe-ew-os.