βέλεκκος

From LSJ

ἐπὶ ξυροῦ γὰρ ἀκμῆς ἔχεται ἡμῖν τὰ πρήγματα → our affairs are balanced on a razor's edge, our affairs are set upon the razor's edge

Source

Spanish (DGE)

-ου, ὁ cierta legumbre Ar.Fr.471, cf. Hsch.

Frisk Etymological English

Grammatical information: m.
Meaning: ὄσπριόν τι ἐμφερες λαθύρῳ μέγεθος ἐρεβίνθου ἔχον H. (ms. -υς). Ar. fr. 755.
Origin: PG [a word of Pre-Greek origin]X [probably]
Etymology: Fur. 150f compares πέλεκυς, πέλεκκον, -ος after Kretchmer Einl. 106f.