Inflicting and sustaining injuries

рассечённая брћвь an eyebrow with a gash in it
рассекђть/рассљчь Nd/(себљd) брћвьa to make a cut in N's/one's eyebrow
На лљвой брћви (or бровќ) бІл мђленький шрђм. Јто мальчќшки в шкћле рассеклќ емџ брћвь кђмнем. He had a small scar on his left eyebrow. It was from the time the boys at school threw a rock at him and cut open his eyebrow.
Ћн упђл и рассёк себљ брћвь. He fell and cut his eyebrow.