krasi -kra- gismu

x1 (site/event) is a source/start/beginning/origin of x2 (object/event/process).

Also root (figurative sense); (adjective:) x1 is initial. See also fanmo, cmavo list ra'i, sabji, cfari, jipno, traji, kojna, genja, jicmu, sitna, jinto.

In definition:

ra'i
krasi modal, 1st place from source/origin/starting point ...
sera'i (comp!)
krasi modal, 2nd place originally; as an origin/starting point of ...

In notes:

cfari
x1 [state/event/process] commences/initiates/starts/begins to occur; (intransitive verb).
fanmo
x1 is an end/finish/termination of thing/process x2; [not necessarily implying completeness].
genja
x1 is a root [body-part] of plant/species x2; [metaphor: immobile, supporting, nourishing].
jicmu
x1 is a basis/foundation/underlying or fundamental principle of x2; x1 is at the bottom of x2.
jinto
x1 is a well/spring of fluid x2 at location x3.
jipno
x1 is a tip/point/vertex/extremity/end [0-dimension shape/form] on object x2 at locus x3.
kojna
x1 is a corner/point/at-least-3-dimensional [solid] angle [shape/form] in/on x2, of material x3.
sabji
x1 [source] provides/supplies/furnishes x2 [supply/commodity] to x3 [recipient].
sitna
x1 cites/quotes/refers to/makes reference to source x2 for information/statement x3 (du'u).
traji
x1 is superlative in property x2 (ka), the x3 extreme (ka; default ka zmadu) among set/range x4.
cfagau
x1=g1 (person/agent) initiates/begins/starts/causes the beginning of x2=c1 (state/event/process).
dinkra
x1 is a fund of x2
djukra
x1=k1=d1 is a resource for x2=d2 to use
jvotauborkra
x1=k1=t1=l4 is the metaphor behind the compound word x2=k2=l1.
kraga'igau
gas1 resets/changes gal1 to its original value/content.
mu'erkraske
x1 is cosmology (in astronomy) based on methodology x2
plikra
x1=k1 is a resource for x2=p1 to use
selcanre
x2=c1 is sand/grit from source x1=c2 of composition including x3=c3.
tolfa'o
x1 is a beginning of thing/process x2