A lot vs. Alot: 9 Grammatical Pitfalls
"one skilled in working with precious stones," late 14c., from Old French lapidaire (12c.), from Latin lapidarius "stonecutter," originally an adjective "of or working with stone," from lapis (genitive lapidis) "stone." Meaning "a treatise on precious stones" is late 14c. Related: Lapidarist.