Brown-Driver-Briggs (BDB)
H3958
H3958 לֶ֫שֶׁם m.[m.] a precious stone in h. p.’s breast-plate Ex 28:19 39:12 (√ and mng. dub.; 𝔊 λιγύριον , Joseph. iii. 7, 6 λίγυρος , 𝔙 ligurius )
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H3958 · Hebrew
leshem
leh'-shem
from an unused root of uncertain meaning; a gem, perhaps the jacinth