- sag (v.)
- late 14c., possibly from a Scandinavian source related to Old Norse sokkva "to sink," or from Middle Low German sacken "to settle, sink" (as dregs in wine), from denasalized derivative of Proto-Germanic base *senkwanan "to sink" (see sink). A general North Sea Germanic word (cf. Dutch zakken, Swedish sacka, Danish sakke). Related: Sagged; sagging.
- sag (n.)
- 1861, from sag (v.).