A verb appearing as ᴱQ. sapa- “dig” in the Qenya Lexicon of the 1910s under the early root ᴱ√SAPA of the same basic meaning (QL/82). The verb ᴱQ. sap- “dig” reappeared in Early Qenya Word-lists of the 1920s (PE16/145).
Neo-Quenya: Since the root √SAP appeared in Tolkien’s later writing, I would retain ᴺQ. sap- “to dig” for purposes of Neo-Quenya.
A word in the Qenya Lexicon of the 1910s glossed “dig” under the early root ᴱ√KAVA (QL/45). The verb form kav- reappeared in charts of Qenya Verb Forms from this same period, but there it was untranslated (PE14/28).