English
filksing
From filk + sing.
Proto-Indo-European *sengʷʰ- ‘to recite’
Proto-Germanic *singwaną ‘to sing’
Proto-West Germanic *singwan ‘to sing’
Old English singan ‘to sing’
Middle English singen ‘to produce chants or other sung verse’
English sing
Today it means
noun A gathering of filkers; a filk-music performance.
Language periods are conventional ranges, not dates for this word.
Etymograph / filksing