root

: , ; , ; , , ; id. seq. , fig., , , . Metaph. (as in various senses in cl.), of cause, origin, source, etc.; a root Mt 3:10 Lk 3:9 Mk 11:20 Mt 13:6 Mk 4:6 Mt 13:21 Mk 4:17 Lk 8:13 ἐκ ῥιζῶν ῥ. ἔχειν ἐν ἑαυτῷ of things, (Eur.), ; ῥ. πάντων τ. κακῶν I Ti 6:10 of persons: of ancestors, ; , . Of that which springs from a root, ; metaph., of offspring, , .† Ro 11:16-18 He 12:15 Ro 15:12 Re 5:5 22:16 ῥ. πικρίας a shoot (LXX)

a "root" (literally or figuratively)

root