periodically

副词 adv.
中文释义

英文释义

副词 adv.
  1. In a manner that is regular or periodic. not-comparable
    — Put two encasings on a mattress if one must be removed periodically for cleaning.
  2. intermittently or recurrently. not-comparable
    — The announcement comes amid mounting pressure on university administrators to rein in pro-Palestinian demonstrations, which have erupted periodically on college campuses across the country over the past year and led to the arrest of hundreds of demonstrators.

词汇关系

衍生词
nanoperiodically nonperiodically photoperiodically

词源

Etymology tree
Proto-Indo-European *per-
Proto-Italic *per
Latin perbor.
Proto-Indo-European *per-der.
Proto-Italic *peri-
Latin per-bor.
English per-
English iodic
English periodic
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
Proto-Indo-European *leyg-der.
Proto-Germanic *līkąder.
Proto-Germanic *-līkaz
Proto-Germanic *-ê
Proto-Germanic *-līkê
Proto-West Germanic *-līkē
Old English -līċe
Middle English -ly
Middle English -ally
English -ally
English periodically
From periodic + -ally.
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