xadbixma'u lujvo

xa2=b1=m1 is adolescent/pubescent/in puberty/maturing in physical/bodily development-quality m2 (ka).

Cf. xadni, binxo, makcu, bixma'u, bavyfarvi, citnau. Between prepubescent child and post-pubescent adult.

In notes:

bixma'u
b1=m1 is adolescent / pubescent / maturing in development-quality m2 (ka) by standard x3.
citnau
n1=c1 is a youth/young man by standard c2.