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Geers' law is a phonological rule for Akkadian language according to which two different emphatic consonants (''ṭ, ṣ, ḳ'') cannot occur in one Akkadian word. It is named after Frederick Geers who discovered it in 1945. The law usually pertains to inherited Proto-Semitic roots whose emphatics where usually dissimilated. Compare:〔Cited after 〕 * Proto-Semitic *ṣ̂bṭ > Akkadian ''ṣabātu'' "to seize" * Proto-Semitic *ḳṭn > Akkadian ''ḳatānu'' "to be thin" * Proto-Semitic *ḳṣr > Akkadian ''kaṣāru'' "to bind" * Proto-Semitic *ṣ̂yḳ> Akkadian ''siāḳu'' "to be narrow" Such dissimilation is more likely if the emphatics were glottalized. It also affected loanwords, such as Amorite *qṭl > Akkadian ''ḳtl''. In rare cases it did not apply, such as ''ḳaṣû'' instead of ''kaṣû''. If Proto-Semitic emphatics were ejectives, then the Geers' law is explained as a manifestation of the widespread constraint in languages having ejectives, which forbids cooccurrence of two ejectives in a root. ==Notes== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Geers' law」の詳細全文を読む スポンサード リンク
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