Because of the comparatively shorter distance, Hainanese merchants could use smaller vessels, usually constructed of fir and other inferior woods, which they customarily furnished with masts, rudders, and wooden anchors, availing themselves of the abundance of material in Champa and Cambodia which lay on their route to Bangkok.
Source: wiktionary
Mr. MELROSE, though engaged in the study of the Hainanese language, has found time to open and give daily supervision to a Boy's School.
Source: wiktionary
It is not easy to decide from which dialect of Chinese some of the loanwords derive, and this may explain why Philip Leo does not list any as coming from Hainanese nor Tiociu.
Source: wiktionary
I needed an interpreter in only one interview, that with an elderly Hainanese from Kompong-Trach.
Source: wiktionary