The NeoQuenya and NeoSindarin Wiktionary
saba-
Isolated from #sabar in Anghabar “Iron-delvings” (Silm.), Dornhabar (PE17:35), Nornhabar “Dwarrowdelf” (WJ:209)
Compare √SAPA (ÐAPA) “dig, excavate” in QL:82 and sap- “dig” in PE16:145.
{attested or coined synonyms}