Center of Excellence in Southeast Asian Linguistics
Jakrabhop Iamdanush

Selected Publications

Dating vowel lengthening in Thai

This paper dates vowel lengthening in Thai, which affected words that originally had a long vowel such as cʰaːw4 ‘morning’, naːm4 ‘water’, maːj4 ‘wood’, and daːj3 ‘to acquire’. Analysis of data from rhymming patterns in poetry, and from dictionaries and grammar books for foreigners shows that the vowel lengthening began in the late 24th century

Survey and Selection of Texts for Thai National Historical Corpus

This article reports on the pilot project for the Thai National Historical Corpus, a diachronic corpus that represents the different stages of the Thai language. Three important decisions were made as a result of the project. First, the texts will be selected according to the criteria designed for the British

Periphrastic causative constructions in Patani Malay

This paper discusses periphrastic causative constructions in Patani Malay, which is a Malay dialect spoken in Thailand’s Deep South. The result shows that Patani Malay has three types of periphrastic causative constructions, namely waʔ ‘do’ construction, wi ‘give’ construction and waʔwi construction. Compared to Indonesian, Malaysian Colloquial Malay and Eastern

Reconstruction of Proto-Tai negators

Based on comparative data from 64 modern Tai varieties, we propose that Proto-Tai had three distinct negators, namely *ɓawB, *mi and *pajB. These morphemes were distinguished from each other in terms of aspect. Moreover, we show that the Old Thai language represented by the literary classic Lilit Phra Lo, and