aperture (something which restricts the diameter of the light path through one plane in an optical system) · diaphragm: the muscle between thorax and abdomen needed for breething
çekim: çoğul diafragma's
köken: From Middle Dutch diafragma, from Latin diaphragma, from Ancient Greek δῐᾰ́φρᾰγμᾰ (dĭắphrăgmă).
köken: Etymology tree Proto-Indo-European *sek-? Proto-Indo-European *-éyti Proto-Indo-European *skey- Proto-Indo-European *skeyd-der. Sanskrit छि॒द्र (chidrá) Prakrit 𑀙𑀺𑀤𑁆𑀤 (chidda) Sanskrit छेद (cheda)influ. Hindi छेद Inherited from Sauraseni Prakrit छिद्द (chidda), from Sanskrit छिद्र (chidra). Influenced in form by Sanskrit छेद (cheda), also from the root छिद् (chid). Doublet of छिद्र (chidra).
a window, an opening for light · a breach · a loophole, an arrowslit
çekim: çoğul fenestrae · tamlayan fenestrae
köken: Apparently from Etruscan *𐌚𐌍𐌄𐌔𐌕𐌓𐌀 (*fnestra); and fēstra from Etruscan *𐌚𐌄𐌍𐌔𐌕𐌓𐌀 (*fenstra). Compare the Etruscan personal name [script needed] (fnes-ci) and the Latin placename Fensernia, but nothing is known about the meaning of the Etruscan base.