midju -mij- gismu

x1 is in/at the middle/center/midpoint/[is a focus] of x2; (adjective:) x1 is central.

See also lanxe, jbini, nutli, snuji, milxe, denmi, ralju.


In notes:

denmi
x1 is dense/concentrated/packed/intense in property x2 (ka) at location/locus x3.
jbini
x1 is between/among set of points/bounds/limits x2 (set)/amidst mass x2 in property x3 (ka).
lanxe
x1 is in balance/equilibrium under forces x2 (mass).
milxe
x1 is mild/non-extreme/gentle/middling/somewhat in property x2 (ka); x1 is not very x2.
narge
x1 is a nut [body-part: hard-shelled fruit] from plant/species x2 with shell x3 and kernel x4.
nutli
x1 is neutral/not taking sides/medial/not towards any extreme on scale/in dissension x2.
ralju
x1 is principal/chief/leader/main/[staple], most significant among x2 (set) in property x3 (ka).
snuji
x1 is a sandwich/layering [not restricted to food] of x2 sandwiched between x3.
ctemidju
m1 is the midnight of n2 at location n3.
dormidju
m1 is the noon (midday) of day d2 at location d3.
dormijbalvi
b1 is later than noon of day d2 at location d3.
ratmidju
x1=m1 is the nucleus of atom x2=m2=r1.
centero
x1 is in the center of x2
kernelo
x1 is a kernel/nucleus/'nut' of x2; x1 is central
stagrcinara
s1 is the edible portion s2 [default: head] of artichoke s3.