Origin

from Latin somnus

somni-

a combining form meaning “sleep”, used in the formation of compound words:

somnifacient.

Also, especially before a vowel, somn-.

Related Words

somniferous
somnific

somni-combining form of L. somnus sleep, occurring in a number of Latin compounds and English adaptations or imitations of these, as somnifer somniferous, somnificus somnific, etc. (see below).

somni-

before vowels somn-, word-forming element meaning "sleep," from comb. form of Latin somnus (see Somnus).

somni-
combining form
Etymology: Latin, from somnus
: sleep
< somnifacient >

词汇	somni-
词根词缀	AHD Collins Dictionary.com OED Online Etymology Dictionary Webster somni- 或 somn- pref.（前缀） Sleep: 表示“睡眠”： somnambulate. 梦游语源 From Latin somnus [sleep] * see swep- 源自拉丁语 somnus [睡眠（觉）] 参见 swep- somni- or (before a vowel) somn- combining form sleep ⇒ somniferous Origin from Latin somnus* somni- 1 a combining form meaning “sleep”, used in the formation of compound words: somnifacient. Also, especially before a vowel, somn-. Related Words somniferous somnific somni-combining form of L. somnus sleep, occurring in a number of Latin compounds and English adaptations or imitations of these, as somnifer somniferous, somnificus somnific, etc. (see below). somni- before vowels somn-, word-forming element meaning "sleep," from comb. form of Latin somnus (see Somnus). somni- combining form Etymology: Latin, from somnus : sleep < somnifacient >
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