What are good articles (if any) about the relation of (Balto-)Slavic instrumental predicatives to cvi-/gúhā-construction in Sanskrit and Latin rubefaciō?
Is there something looking deeper at the BSl. side (rather than from Skrt. perspective, only mentioning BSl. in passing)?
(Looking for some IE #syntax reading more interesting than a millionth take on “default IE word order”)