-isam-

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Type:	derivational
Function:	superlative
Language:	Celtic
Phonemic analysis:	-/isam/-
From PIE:	*-ism̥h₂-
From Proto-Celtic:	*-isam-
Attestation:	akluśamoualos

Commentary

Superlative suffix. The suffix variant without /i/ can be due to syncope, or generalised from forms in *°s-isam-, where /i/ was regularly syncopated (Stifter 2012b: 256 f.).