μονόρριζος
From LSJ
ζηλοῦτε δὲ τὰ χαρίσματα τὰ μείζονα. Καὶ ἔτι καθ᾽ ὑπερβολὴν ὁδὸν ὑμῖν δείκνυμι (1 Corinthians 12:31) → But go ahead and strive for the greater gifts. And I'm about to show you a still more excellent way.
English (LSJ)
ον,
A with a single root, Thphr.HP 1.6.6, 7.2.7 (Sup.); of teeth, with a single fang, Gal.2.753.
Greek (Liddell-Scott)
μονόρριζος: -ον, ὁ ἔχων μίαν μόνον ῥίζαν, Θεόφρ. π. Φυτ. Ἱστ. 1. 6, 6, κτλ.