Lexical Definition

‎σύμφυτος‎ sýmphytos (soom'-foo-tos) united ^G:A
from ‎σύν‎ and a derivative of ‎φύω‎

planted together.

• grown along with (connate), i.e. (figuratively) closely united to

Abbott-Smith

σύμ-φυτος, -ον (< συμφύω, to make to grow together) [in LXX: Za 11:2 (בּצר), Es 7:7, 8א2, Am 9:13, III Mac 3:22 * ;]
1. congenital, innate (Plat., al.; III Mac, l.c.).
2. grown along with, united with: τ. ὁμοιώματι τ. θανάτου αὐτσῦ (v. Field, Notes, 155 f.), Ro 6:5.†

Abbott-Smith References

Liddell-Scott-Jones

σύμφυτος-ος, ον,

born with one, congenital, innate, ἀρετά [Refs 5th c.BC+]; κακόν, ἐπιθυμία, [Refs 5th c.BC+]; of diseases, [Refs 5th c.BC+]; natural, τῶν σιτίων ἔνια ἔχει γλυκύτητα σ. [Refs]; σ. ἐχούσης ὑγρότητα τῆς γλώττης [Refs]; σ. αἰών our natural age, i.e. our old age (accusative to the [Refs 4th c.BC+]; νεικέων τέκτονα σ. the natural author of strife, i.e. a cause of strife natural to the race, [Refs]; εἰς τὸ σ. according to one's nature, [Refs 5th c.BC+]; ὕδωρ σ. ἐν γάλακτι, opposed to ἐπακτόν, [Refs 4th c.BC+]; σ. [πνεῦμα], i.e. the vital spirit, [Refs]; σ. ὑγρὸν καὶ θερμόν (in a seed) [Refs 4th c.BC+]; τὰ σ. natural functions or parts, [Refs 4th c.BC+]

__2 with dative, natural to, σ. αὐτοῖς δειλία [Refs 5th c.BC+]; ἀϋδρία τισὶ τόποις σ. [Refs 5th c.BC+]; τὰ ὑγρὰ σ. τοῖς ζῴοις, opposed to τὰ ὑστερογενῆ (such as milk), [Refs 4th c.BC+]
__3 with genitive, [τῶν φθόγγων] σ. ἡδοναί [Refs 5th c.BC+]
__4 like by nature, cognate, kindred, [Refs]
__II grown together, διάστασις τῶν σ. μερῶν [Refs 5th c.BC+]; united, [NT]; of qualities in relation to matter, ὕλη.. λαβοῦσα ποιότητας.. καὶ οἷον συμφύτους αὐτὰς ἔχουσα καὶ συγκεκραμένας ἀλλήλαις [Refs 3rd c.AD+]
__III thickly wooded, [Refs 2nd c.BC+]
__III.2 fully cultivated, ἀμπελὼν σ. [Refs 2nd c.BC+]

_{LSJ Scripture Refs: Rom.6.5}