General meaning of tenure:
* பதவிக்காலம் (padhavi kaalam): This translates literally to "position period" and refers to the duration of someone's holding a position or office.
* சேவைக்காலம் (sevai kaalam): This means "service period" and can be used to refer to the duration of someone's employment.
Tenure as a legal concept:
* பதவி நிரந்தரம் (padhavi nirantaram): This means "permanent position" and is used in the context of academic positions or government jobs that offer tenure.
* பதவிப் பாதுகாப்பு (padhavi pathigappu): This means "position protection" and refers to the legal protections that are given to people with tenure.
The best translation will depend on the specific context in which the word "tenure" is being used.