bidirectionally

English

Etymology

Etymology tree

Proto-Indo-European *dwóh₁

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Proto-Indo-European *trísinflu.?

Proto-Indo-European *dwi-

Proto-Italic *dwi-

Latin bi-bor.

English bi-

English direction

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālislbor.

Old French -albor.

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Latin -ālis

Old French -elbor.

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Latin -ālisbor.

Middle English -al

English -al

English directional

English bidirectional

Proto-Indo-European *leyg-der.

Proto-Germanic *līkąder.

Proto-Germanic *-līkaz

Proto-Germanic *-ê

Proto-Germanic *-līkê

Proto-West Germanic *-līkē

Old English -līċe

Middle English -ly

English -ly

English bidirectionally

From bidirectional + -ly.

Pronunciation

• IPA^(key): /ˌbaɪdɪˈɹɛkʃənəli/
• Hyphenation: bi‧di‧rec‧tion‧al‧ly

Adverb

bidirectionally (not comparable)

1. In opposite directions.
   • 2023 November 29, Richard Foster, “Tyne & Wear Metro goes with the flow”, in RAIL, number 997, page 32:

     The whole of the South Shields branch passed to the Tyne & Wear Metro in 1984 under the Tyneside Metropolitan Rail Act 1973, apart from a short section that was divided into two bi-directionally signalled lines (although interconnected by a series of loops that allow Metro trains to pass each other).