See under brooklime.
any of various speedwells found along brooks, in marshes, etc., as Veronica americana (American brooklime), a creeping plant having leafy stems and loose clusters of small blue flowers.
Origin of brooklime
1400–50; late Middle English brokelemke, equivalent to broke brook1 + lemke, Old English hleomoce speedwell, cognate with Middle Low German lömeke
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for brooklime
C16: variant of C15 brokelemk speedwell, from brook 1 + -lemk, from Old English hleomoce; influenced by lime
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012