rewinding; replacing a wound thread/wire
General noun for winding a replacement thread, wire, or similar material onto a spool, bobbin, or core. Often used in technical or craft contexts.
I need to rewind the bobbin thread on the sewing machine.
I went fishing after respooling the fishing line.
changing grip from overarm to underarm (sumo)
Sumo-specific term: a technique where a wrestler changes from an overarm grip to an underarm grip on the opponent's belt (mawashi).
He pulled his opponent's belt closer by switching to an underarm grip.
Compound of 巻き (maki, 'winding') + 替え (kae, 'replacement'). The sumo sense is a specialized extension of the general meaning.