Is single transferable vote an adaptation of instant runoff voting for multiple winners?

Question

Is Single Transferable Vote system an exact adaptation of the Instant Runoff Voting system designed to select multiple winners?

Answer 1

Doesn't your link already answer the question?

Instant-runoff voting was devised in 1871 by American architect William Robert Ware, although it is, in effect, a special case of the single transferable vote system, which emerged independently in the 1850s.

Edit:

I've actually researched this more carefully, and Ware's 1871 paper is literally an implementation of Hare's STV, which credits Hare, by name, in the title.

So you have it backwards, and IRV is explicitly an adaptation of STV to single-winner elections.