Q. rocco n. “horse” (Category: Horse (generic))
The usual word for “horse” in Quenya, a derivative of ✶rokkō (Let/282, 382; WJ/407) and very well attested. There are indications that this word was more specifically a “swift horse” (Let/382; EtyAC/ROK), but in most cases Tolkien used it generically.
Conceptual Development: ᴹQ. rokko “horse” first appeared in The Etymologies of the 1930s under the root ᴹ√ROK “run on foot”, already with the derivation given above (Ety/ROK). The relevant entry appeared twice; in one rokko was first written as rokka “wheel”, and in the other the form was first written ronko, but in both cases Tolkien revised the word to rokko “horse”.
References ✧ Let/178, 282, 382; PE17/168; PE21/78; PE22/166; SA/roch; VT49/29; WJ/407
|rokkor||plural||“horses”||✧ PE21/78; PE22/166|
|✶rokkō > rocco||[rokkō] > [rokko]||✧ Let/282|
|✶rokkō > rokko||[rokkō] > [rokko]||✧ Let/382|
|✶roko > rokko||[rokko]||✧ WJ/407|
References ✧ Ety/ROK; EtyAC/ROK; PE22/127
|ᴹ√ROK > rokko||[rokko]||✧ Ety/ROK|
|ᴹ✶rokkō > rokko||[rokkō] > [rokko]||✧ EtyAC/ROK|
|ᴹ√ROKO > rokko||[rokko]||✧ PE22/127|