ἦρι

Two possibilities:

• locative case of Proto-Indo-European *h₂ewsḗr, whence ᾱ̓ήρ (āḗr, “mist, air”) and cognate with ἠώς (ēṓs, “dawn”), from Proto-Indo-European *h₂ews- (“dawn; east”)
• from Proto-Indo-European *h₂éyeri (“early”)

Compare ἠέριος (ēérios, “with the early morning”).

ἦρι • (êri) (Epic)

1. early in the morning

• “ἦρι”, in Liddell & Scott (1940), A Greek–English Lexicon, Oxford: Clarendon Press
• “ἦρι”, in Liddell & Scott (1889), An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “ἦρι”, in Autenrieth, Georg (1891), A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• ἦρι in Cunliffe, Richard J. (1924), A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963