periodically
UK[ˌpɪəriˈɒdɪkli]US[ˌpɪriˈɑːdɪkli]
adv
At regular intervals; from time to time.
Morpheme Breakdown
periodic
ally
periodic
relating to a period
ally
adverb suffix
Etymology
The word 'periodically' is built upon the core concept of a 'period', which originates from the Greek periodos, literally meaning 'a going around, a circuit, or a cycle'. This ancient term was a compound of peri- ('around') and hodos ('way' or 'journey'), metaphorically describing a complete, recurring loop of time or events. Adopted into Latin as periodus and later into English, the adjective 'periodic' came to describe phenomena that recur at set intervals, like the cycles of the moon or a repeating schedule. By adding the adverbial suffix '-ally', derived from Latin via French, the word 'periodically' was formed to specify the manner of an action—one that occurs in a regular, cyclical, or intermittent fashion, thus completing the journey from a literal 'path around' to an abstract concept of timed recurrence.
Analysis
Structure: periodic (relating to a period) + ally (adverb suffix)
- periodic: From Greek periodikos, from periodos (circuit, cycle, period), itself from peri- (around) + hodos (way, journey, path). In English, it functions as an adjective meaning recurring at intervals.
- ally: A suffix forming adverbs from adjectives, derived from Latin -aliter (via Old French -el + -ment). It indicates the manner or quality of the root adjective.
Examples
The equipment should be checked periodically to ensure it is functioning safely.
She periodically contributes articles to a national magazine.
The software updates itself periodically without any user intervention.