Proto-Baltic: *kir̃m-i-, *kir̃m-ia- c., *kir̃m-ō̃ (-en-es), *kir̃m-iā̃ f., *ker̃m-a- c., ker̃m-ia- c.,*ker̃m-iā̃ f.
Meaning: worm
Lithuanian: kirmìs `Wurm, Schlange, Lindwurm', kirmuõ, acc. kir̃menį `id.'
Lettish: cirmis; cirmenis, cìrmęns, cirmene, cirmin̨š, cìrminis, cìrmulis2 `Wurm, Made, Milbe; Raupe', cḕrme, cêrmis2, cę̂rms2 `Rainfarn (Tanacetum vulgare); jedes die Spulwürmer abführende Mittel'
Old Prussian: girmis [l. wohl kirmis] `Made' V. 786