τὸν νέον τίνα οἴει καρδίαν ἴσχειν → what do you think are his feelings
P. and V. ἄνθος, τό.
P. and V. ἀνθεῖν.
put forth flowers: P. and V. ἐξανθεῖν.
blossom out into: Met., P. ἐξανθεῖν (dat.).