Topical
来自Big Physics
late 16th century: from Greek topikos + -al. Early use was as a term in logic and rhetoric describing a rule or argument as ‘applicable in most but not all cases’.
wiktionary
topic + -al
etymonline
topical (adj.)
1580s, "pertaining to a place;" see topic + -al (1). Medical sense "applied to a particular part of the body" is from c. 1600. Meaning "of or pertaining to topics of the day" is from 1873. Related: Topically.