| − | From {{proto|Baltic|širmas|lang=lv}}, from {{recons|ḱr̥-m-os}} (with a suffix ''-m''), from {{proto|Indo-European|ker-||ḱer-||ḱr̥-|gray color}}, whence also {{term|sērsna||frozen snow layer|lang=lv}} (q.v.). Cognates include {{etyl|lt|-}} {{term|širmas|šìrmas|lang=lt}}, {{term|širmas|šir̃mas|lang=lt}}, {{term|širvas|šir̃vas|gray|lang=lt}}.<ref>Karulis, Konstantīns. 1992, 2001. ''Latviešu etimoloģijas vārdnīca.'' Rīga: AVOTS. ISBN 9984700127.</ref> | + | From {{proto|Baltic|širmas|lang=lv}}, from {{recons|ḱr̥-m-os}} (with a suffix ''-m''), from {{proto|Indo-European|ker-||ḱer-||ḱr̥-|gray color|lang=lv}}, whence also {{term|sērsna||frozen snow layer|lang=lv}} (q.v.). Cognates include {{etyl|lt|-}} {{term|širmas|šìrmas|lang=lt}}, {{term|širmas|šir̃mas|lang=lt}}, {{term|širvas|šir̃vas|gray|lang=lt}}.<ref>Karulis, Konstantīns. 1992, 2001. ''Latviešu etimoloģijas vārdnīca.'' Rīga: AVOTS. ISBN 9984700127.</ref> |