scissus

Perfect passive participle of scindō, probably inherited from Proto-Italic *skissos, from Proto-Indo-European *skidtós. Notably, the vowel is short even though *-dt- is a voiced-voiceless consonant sequence and therefore meets the phonological criteria for lengthening by Lachmann's Law (compare vīsus from *widtós). There are various explanations for why lengthening did not occur. Sihler attributes this discrepancy to the analogical influence of the perfect form scidī. Alternatively, it may have emerged analogically after the nasal-present scindō or due to a tendency in Latin for high vowels to be short.

Compare other perfect participles possibly demonstrating a similar development such as fissus.

• (Classical Latin) IPA^(key): [ˈskɪs.sʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈʃis.sus]

scissus (feminine scissa, neuter scissum); first/second-declension participle

1. broken apart; divided or separated by force

First/second-declension adjective.

• “scissus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “scissus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "scissus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “scissus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• De Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 544
• Sihler, Andrew L. (1995), New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press, →ISBN, page 76
• Wodtko, Dagmar S.; Irslinger, Britta; Schneider, Carolin (2008), Nomina im indogermanischen Lexikon [Nouns in the Indo-European Lexicon] (in German), Heidelberg: Universitätsverlag Winter, page 619
• Calvert Watkins (1970), “A Further Remark on Lachmann's Law”, in Harvard Studies in Classical Philology‎^[1], volume 74, →DOI, →ISSN, page 63
• J. Kuryƚowicz (1968), “A Remark on Lachmann's Law”, in Harvard Studies in Classical Philology‎^[2], volume 72, →DOI, →ISSN, page 297