stika -tik- gismu

x1 (event) adjusts/regulates/changes x2 (ka/ni) in amount/degree x3.

Non-resultative, causal change; agentive adjust (= cnegau, tikygau, tikyzu'e). See also cenba which need not be causal, galfi which is causal and resultative, binxo which need not be causal but is resultative, zasni, stodi.

In notes:

binxo
x1 becomes/changes/converts/transforms into x2 under conditions x3.
cenba
x1 varies/changes in property/quantity x2 (ka/ni) in amount/degree x3 under conditions x4.
galfi
x1 (event) modifies/alters/changes/transforms/converts x2 into x3.
stodi
x1 is constant/invariant/unchanging in property x2 (ka) in response to stimulus/conditions x3.
zasni
x1 is temporary/not permanent/expected to change in property x2 (ka) by standard/expectant x3.
nuncne
x1=n1 is a change in property/quantity x2=c2 (ka/ni) of amount/degree x3=c3 under conditions x4=c4.
togystika
x1 is a musical accidental (e.g. sharp, flat, or natural) modifying note x2 by a change of x3 to a pitch of x4.
zengau
x1 increases/augments x2 (experiencer) in property/quantity x3 by amount x4.
sikta
x1 affects x2 in manner x3 (nu / ka-of-x2)