intermittent
https://gyazo.com/877d9f97f77de05a8bf5cf6c39f37151
source: Intermittent gear | からくりすと
adjective
occurring at irregular intervals; not continuous or steady:
時々中断する, 断続的な, 間欠性の; 散発的な
e.g. intermittent rain.
DERIVATIVES
intermittence |ˌin(t)ərˈmitns, ˌin(t)ərˈmid(ə)ns| noun
intermittency noun
ORIGIN
mid 16th century: from Latin intermittent- ‘ceasing’, from the verb intermittere (see intermit).