pinsi -pis- gismu

x1 is a pencil/crayon/stylus applying lead/marking material x2, frame/support [of material] x3.

Also writing brush; x1 stimulates substrate medium x2 to display marks; explicitly denoting a standard lead pencil (= tabypinsi). (cf. ciska, penbi (unlike the English equivalents, pinsi is the more general term over penbi), burcu, bakri)

In notes:

bakri
x1 is a quantity of/contains/is made of chalk from source x2 in form x3.
burcu
x1 is a brush for purpose x2 (event) with bristles x3.
ciska
x1 inscribes/writes x2 on display/storage medium x3 with writing implement x4; x1 is a scribe.
penbi
x1 is a pen using ink x2 applied by process x3.
ba'arpinsi
b1=p1 is a marker applying marking material b2=p2, with frame/support [of material] p3.
tabypinsi
p1 is a pencil.
boljipe
x1 is a ballpoint pen/biro for applying ink x2