A word for “still” or “yet”, or more exactly “*up to then” (PE22/157), clearly a combination of √TEN “end in sense of point aimed at” with √TA “there, then [past]”. As examples, Tolkien gave the sentences “it was still waiting” and “has it come yet”, so it clearly means “still, yet” in reference to the past. It may be contrasted with tensi meaning “still, yet” in reference to the present, or tenna which means “still, until, unto” more generally with past/present/future implied by context.

It is possible tenta can be used spatially as well, meaning “*until there or that point”.