#quer- vb. "turn" (transitive), attested as pa.t. quernë (VT49:18-20). Compare kuere (kwere) as one variant of a stem meaning "turn" (PE14:65). English intransitive "to turn" requires a reflexive pronoun in Quenya: mo quernë immo "one turned oneself" (VT49:6), in idiomatic English simply "one turned". Passive participle #querna "turned", isolated from nuquerna (q.v.) "under-turned" = reversed, turned upside down. Also in númenquerna "turned westward" (VT49:18), nanquernë "turned back", pl. form of *nanquerna (VT49:17-18, 20)
Quenya
querna
adjective. *turned
quer-
turn
quernamo
noun. proselyte, convert
also quérina
An adjective form of the verb quer- “to turn”, appearing as an element in nuquerna from The Lord of the Rings appendices, translated “reversed, inverted” but more literally “✱under-turned” (LotR/1123). This adjective also appeared as an element in the (rejected) word númenquerna “✱west-turned” in drafts of the Ambidexters Sentence from 1969 (VT49/20).