bi

A prefix and word-forming element of verbs and nouns, with a wide range of meaning: with, by,in, into, according to, as the complement of certain verbs/used together with postpositions. Forming adjectives and adverb, eg: ba (wind), biba (windy), mêrxasî (bravery), bi mêrxasî (bravely). 1) with, by (instrumental; also manner, time, agent) 2) in, into (motion […]

- Ezê bi balafirê biçim wêderê: I'll go there by plane.

- Dinya bi dor e, ne bi zor e: The world goes with patience, not with violence.

From PIE *bhi,

Proto-Germanic *bi “around, about”,
Old English be- "about, around, on all sides" (the unstressed form of bi "by"),
Saxon and Old Frisian bi “by, near”,
Middle Dutch bie,
Dutch bij,
German bei “by, at, near”,
Gothic bi “about”,
Middle English bi-, be-, by-; b-,
Danish: be-,
Swedish: be-,
Norwegian: be-,