Why was "tantrum" trending last week?
early 14c., "an artist's fine brush of camel hair," from Old French pincel "artist's paintbrush" (13c., Modern French pinceau), from Latin penicillus "painter's brush, hair-pencil," literally "little tail," diminutive of peniculus "brush," itself a diminutive of penis "tail" (see penis). Small brushes formerly were used for writing before modern lead or chalk pencils; meaning "graphite writing implement" apparently evolved late 16c. Derogatory slang pencil-pusher "office worker" is from 1881; pencil neck "weak person" first recorded 1973.
1530s, "to mark or sketch with a pencil-brush," from pencil (n.). In reference to lead pencils from 1760s. Related: Penciled; penciling. To pencil (something) in "arrange tentatively" is attested from 1942.
To work out details; study: Let me pencil this idea for a while (1990s+)Related Terms