Runnelled
/ˈrʌnəld/noun
Marked or formed by small channels, grooves, or narrow streams of flowing liquid.
Did you know?Runnel is a diminutive of run, so a runnelled surface is literally one shaped by little runs or channels of moving water.
Etymological Timeline
Proto-Indo-European
PIE
*reiH-
“To move or flow; a proposed ancient root associated with running or flowing.”
Proto-Germanic
PGmc
*rinnaną
“To run, flow, or move swiftly.”
Old English
Old English
rinnan
“To run or flow, especially of liquid.”
Middle English
Middle English
rennel / runnel
“A small stream or narrow channel through which water runs.”
Early Modern English
English
runnel
“A small watercourse, groove, or channel.”
Modern English
English
runnelled
“Having been marked, carved, or worn into small channels or grooves.”