The Database of Semantic Shifts in the languages of the world

brave → to temper (iron) 1 realization Unique

ID	Relation type	Meaning 1	Direction	Meaning 2

NEW Realization 1 (ID: 6893)
type		Polysemy
language		Tigrinya
lexeme		täbʕe
meaning 1	to be tempered (iron), to forge, pund iron; to be sharp, keen, pointed (knife)
direction	←
meaning 2	to be virile, brave, courageous, to have a man's spirit
reference		TED: 1256
comment		The source meaning is that of "to be a man", hence "to be courageous, brave", hence the figurative use of "to be hardened (iron)" which gives rise to the meaning of "to be sharp (knife)".