Where does “keker” come from?

keker (Indonesian) comes from Dutch kijker, from Dutch -er, from Old Dutch -āri, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

keker (Indonesian): binoculars

Definitions

binoculars

Ancestry of “keker”, step by step

Step	Language	Word	Meaning
1	Dutch	kijker	telescope; pair of binoculars; viewer
2	Dutch	-er	Forms agent nouns from verbs; Forms nouns for a...
3	Old Dutch	-āri	—
4	Proto-Germanic	-ārijaz	-er
5	Latin	-ārius	er
6	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Dutch -er →