Tamil meaning :smoothness, glitter, lustre, polish
Tamil derivates :meravaṇai procession
Kannada meaning :shine, lustre
Kannada derivates :mir_ugu to glitter, flash, sparkle, shine; mir_u shining, sparkling; mir_ugu, mir_upu glitter, shine, lustre; mer_e to shine, gleam, glitter; become manifest, appear, assume an ostentatious appearance; make manifest, display; n. shine, lustre; mer_asu, mer_isu, mer_ayisu to cause to shine, make manifest, display, exhibit; mer_avaṇi, mer_avaṇ(i)ge ostentatious display
Tulu meaning :display, parade
Tulu derivates :merepini, mereyuni, merevuni to shine; swagger, make an ostentatious display; merepāvuni to make shine; merpu glitter, lustre; meraṇigè, meravaṇigè procession
Notes :Kannada merugu seems to be borrowed from Tamil (*mer_-gu > *mergu/meggu normally). The irregular i-vocalism in Kannada is possibly due to contamination with minugu 'to shine, glitter', etc.