Those seem to be reasonable conclusions, but what is especially interesting is the relatively late appearance or re-emergence of _tentor_ if indeed from _tentir_, considering how few Indonesians now have any useful command of Dutch. It is still a bit of a puzzle in that respect. After being here for nearly 30 years I first encountered it only last year. One more possibility: it could have been a regional term that only spread with the saturation of the Internet in society. I Googled and found a lot of advertisements for tentor in the sense of a private teacher or tutor. Thanks//Ray