RT Journal Article T1 On Indo-European superlative suffixes A1 Luján Martínez, Eugenio Ramón AB ABSTRACT: The goal of this paper is to provide some insights into the degree morphology of the ancient IE languages, specifically the superlative suffixes *‑is-to- and *‑is- ̊mo-, which have a wider dialectal distribution and could go back to PIE. The relationship of those superlative suffixes to ordinal suffixes is known, but its nature has not been appropriately explained. The suffixes *‑to- and *‑mo- must have originated in the ordinals as thematic formations derived from cardinals and then expanded to the superlatives through the ordinal ‘first’ and other semantically related adjectives (‘last’ and polar/spatial adjectives). Those words provide the semantic and combinatory links between ordinals and superlatives that account for the shared morphology, as the textual evidence also proves. The use of *‑to- and *‑mo- in all those words across the Indo-European languages shows a systematic correlation. The suffixes *‑is-to- and *‑is- ̊mo- are a nice example of transparent nesting, since both include the zero-grade of the comparative suffix. They must have started as relative superlatives, given that ‘first’, ‘last’ and the other related words cannot be absolute superlatives. This is in accordance with a general tendency of evolution of the expressions of the superlative degree. PB De Gruyter SN 0019-7262 YR 2019 FD 2019 LK https://hdl.handle.net/20.500.14352/94150 UL https://hdl.handle.net/20.500.14352/94150 LA eng NO Luján, Eugenio R. «On Indo-European Superlative Suffixes». Indogermanische Forschungen, vol. 124, n.o 1, septiembre de 2019, pp. 305-42. https://doi.org/10.1515/if-2019-0012. NO This paper is part of the research project FFI2015-63981-C3-2 (Studies on nominal morphosyntax in Indo-European and Palaeohispanic languages), which has the financial support of the Spanish Ministry of Economy and Competitiveness. • “The final publication is available at www.degruyter.com” NO Ministerio de Economía y Competitividad (España) DS Docta Complutense RD 20 ene 2026