Weise's law

Proto-Indo-European language sound law
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Weise's law is a Proto-Indo-European sound law that causes the depalatalization of the palatovelar consonants *ḱ *ǵ *ǵʰ in certain contexts. In short, when *ḱ *ǵ *ǵʰ are followed by *r, they are depalatalized and thus merge with the plain velars *k *g *gʰ, respectively. Although this sound change is most prominent in the satem languages, it is believed that the change must have occurred prior to the centum–satem division, based on an earlier sound change that affected the distribution of Proto-Indo-European *u and *r. The law is named after German linguist Oskar Weise, who first postulated it in 1881 as the solution to a cognate correlation problem between Ancient Greek and Sanskrit.

History

Weise's epitaph in Eisenberg, Germany, which reads in part: Here lived the researcher and teacher of our mother tongue, Geheimrat Prof. Dr. Oskar Weise

Oskar Weise first described the problem in an 1881 article on Ancient Greek etymologies for the Indo-Europeanist periodical Articles on the Science of the Indo-European Languages (German: Beiträge zur Kunde der indogermanischen Sprachen) entitled "Is initial γ dropped before λ?" (German: Ist anlautendes γ vor λ abgefallen?).[1] In it, he notes an imbalance in the relationship between Ancient Greek and Sanskrit cognates, writing:

If we examine the Indian [Sanskrit] words beginning with guttural + r or l and compare them with their Greek reflexes, we will notice that all those which have retained the guttural in Indian intact show guttural + ρ, whereas Greek guttural + λ only occurs regularly when the palatal sibilants [ś], j, h appear in Indian. The absence of exceptions in this rule automatically prohibits the assumption that coincidence prevailed here. Of course, this excludes cases where r (or l) is not immediately after the guttural, but there is a vowel in between, although the rule stated above often applies here too.[1]: 115 [a]

Despite having "been largely forgotten by the scholarly world" according to Alwin Kloekhorst, noting the relative absence of discourse on the topic, Weise's initial findings have a long history of support, though some of his findings have needed revision in light of other research.[2]: 262  In 1894, Antoine Meillet described the law and defended it as established fact in a dissertation for the Société de Linguistique de Paris on the difficulty of determining gutturals in Proto-Indo-European, citing Weise as its progenitor.[3] In 1978, Frederik Kortlandt similarly considered Weise's findings strong but limited in scope, citing both Weise's and Meillet's works on the law in his own research on the Balto-Slavic languages.[4]: 238  In 1995, Robert S. P. Beekes also described the process derived from the law, but did not reference its origins with Weise.[2]: 262 [5] First presented at a conference in 2008,[6] Alwin Kloekhorst published Weise's Law: Depalatalization of Palatovelars before *r in Sanskrit in 2011,[2] which conglomerates several different sources on the topic, both referencing Weise and not, and summarizes its general characteristics, relative chronology, and possible violations; its contents are a revision of his work done in 1999.[2]: 261

Overview

IPA: [c]), postalveolar affricate (IPA: [t͡ʃ]), and alveolar fricative (IPA: [s]). Note how the tongue's point of contact or constriction moves increasingly forward, from the palate to just behind the teeth.