sod (stratum of soil) oath 1 realization
ACCEPTED Realization 1
type Polysemy
language Old East Slavic
lexeme дернъ, дьрънъ
meaning 1 sod (stratum of soil)
direction
meaning 2 oath
reference Sreznevskij: 1, 654 Anikin RES: 13, 251
comment

a cut piece of sod was placed on the head when taking an oath

овъ же дрьнъ въскроущь на главѣ покладаѧ присѧгоу творить (XI в)