-onei̯

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Type:	inflectional
Function:	dat. sg. (on-stem)
Language:	Celtic
Phonemic analysis:	-/onei̯/
From PIE:	*-on-ei̯
From Proto-Celtic:	*-onei̯
Attestation:	)kionei, atilonei, piuonei

Commentary

Cisalpine Celtic documents the retention of the original dative ending -ei̯ in on-stems, which has been replaced by the locative singular ending -i in Transalpine Gaulish and Old Irish, and is also attested in Cisalpine Celtic (see -oni) (Eska & Wallace 2001, Eska 2009: 23, Eska & Evans 2009: 36). The rationale of the chronological and linguistical mapping of the two endings in the Cisaline Celtic evidence is not quite clear yet.

Bibliography

Eska & Evans 2009	Joseph F. Eska, David Ellis Evans, "Continental Celtic", in: Martin J. Ball, Nicole Müller (eds), The Celtic Languages, 2nd edition, London – New York: Routledge 2009, 28–53.
Eska & Wallace 2001	Joseph F. Eska, Rex E. Wallace, "A syncretism in fieri in early Celtic", Indogermanische Forschungen 106 (2001), 229–240.
Eska 2009	Joseph Francis Eska, "The emergence of the Celtic languages", in: Martin J. Ball, Nicole Müller (eds), The Celtic Languages, 2nd edition, London – New York: Routledge 2009, 22–27.