desolate
adj.
mid-14c., "without companions," also "uninhabited," from Latin desolatus, past participle of desolare "leave alone, desert," from de- "completely" (see de-) + solare "make lonely," from solus "alone" (see sole, adj.). Sense of "joyless" is 15c.
v.
late 14c., from desolate, adj.. Related: Desolated; desolating.
〔李〕[de-;sol;-atea.] a.荒凉的，荒芜的； 孤寂的 ←sol (L solus)=alone 单独的
〔蒋〕[de-表示加强意义，sol单独，孤寂，-ate动词和形容词后缀;原义为:’to leave alone， to make lonely， hence to depopulate， to forsake”] 使孤寂，使荒凉，使荒芜，使无人烟，荒凉的