makcu -ma'u- gismu

x₁ is mature/ripe/fully-grown/adult in development-quality x₂ (ka).

In notes:

banro: x₁ grows/expands [an increasing development] to size/into form x₂ from x₃.
cifnu: x₁ is an infant/baby [helpless through youth/incomplete development] of species x₂.
farvi: x₁ develops/evolves towards/into x₂ from x₃ through stages x₄.
nanmu: x₁ is a man/men; x₁ is a male humanoid person [not necessarily adult].
ninmu: x₁ is a woman/women; x₁ is a female humanoid person [not necessarily adult].
verba: x₁ is a child/kid/juvenile [a young person] of age x₂, immature by standard x₃.
bixma'u: b₁=m₁ is adolescent / pubescent / maturing in development-quality m₂ (ka) by standard x₃.
ma'urgau: g₁ makes m₁ ripe/mature/grown
nalci'o: x₁ is senior/older/other than young by standard x₂.
xadbixma'u: xa₂=b₁=m₁ is adolescent/pubescent/in puberty/maturing in physical/bodily development-quality m₂ (ka).
nonmu: x₁ is an agender humanoid person [not necessarily adult].
nunmu: x₁ is a non-binary humanoid person [not necessarily adult].
altrici: x₁ is altricial, requires nourishment, a baby, infant
iupna: x₁ is a pupa
makcubi: x₁ is an adolescent
prekoci: x₁ is precocial, young live being soon after birth that doesn't require special care due to being relatively mature
remrnunmu: x₁ is a non-binary-gendered humanoid person [not necessarily adult]