Semantic roles (AGDT table)
GENITIVE OF MATERIAL OR CONTENTS
The genitive expresses material or contents.
ἕρκος ὀδόντων the fence (consisting) of the teeth Δ 350, κρήνη ἡδέος ὕδατος
a spring of sweet water A. 6.4.4, σωροὶ σῑ́του, ξύλων, λίθων heaps of corn, wood, stones H. 4.4.12, ἑξακόσια τάλαντα φόρου
six hundred talents in taxes 2.13 (cp. 1296).
Predicate Use: στεφάνους ῥόδων ὄντας, ἀλλ᾽ οὐ χρῡσίου
crowns that were of roses, not of gold 22.70, ἐστρωμένη ἐστὶ ὁδὸς λίθου
a road was paved with stone 2.138, and often with verbs of making, which admit also the instrumental dative. Hdt. has ποιεῖσθαι ἀπό and ἔκ τινος.
In the index: Contents · Genitive case · Material · Instrumental dative · Making