The Database of Semantic Shifts in the languages of the world

sod (stratum of soil) → oath 1 realization Unique

ID	Relation type	Meaning 1	Direction	Meaning 2

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)