ᴹQ. sarna adj. “of stone” (Category: Rock, Stone)
An adjective for “of stone” in The Etymologies of the 1930s derived from the root ᴹ√SAR which had other stone-related derivatives (Ety/SAR).
Reference ✧ Ety/SAR ✧ “of stone”
|ᴹ√SAR > sarna||[sarna]||✧ Ety/SAR|