bya
English
Noun
bya (plural bya)
- Abbreviation of billion years ago. (Preceded by a numeral.)
- 2015, Joyce A. Quinn, Susan L. Woodward, “Introduction”, in Earth's Landscape: An Encyclopedia of the World's Geographic Features, volumes I: A–L, Santa Barbara, CA: ABC-CLIO, →ISBN, page xxxi:
- The first (oldest) unit of time is the Precambrian Supereon, which covers much of Earth's history from its origins roughly 4.55 bya to 545 mya. Very primitive, one-celled life-forms arose as early as 4.0 bya and near the end of the era (570 mya) the oldest known fossils of multi-celled organisms appear.
Norwegian Nynorsk
Zhuang
Pronunciation
- (Standard Zhuang) IPA(key): /pʲa˨˦/
- Tone numbers: bya1
- Hyphenation: bya
Etymology 1
From Proto-Tai *praːᴬ (“stone mountain”).
Cognate with Thai ผา (pǎa), Lao ຜາ (phā), Tai Nüa ᥚᥣᥴ (pháa).
Descendants
- Chinese: 岜 (bā)
See also
Etymology 2
From Proto-Tai *plaːᴬ (“fish”).
Cognate with Thai ปลา (bplaa), Northern Thai ᨸᩖᩣ, Isan ปา, Lao ປາ (pā), Lü ᦔᦱ (ṗaa), Tai Dam ꪜꪱ, Shan ပႃ (pǎa), Tai Nüa ᥙᥣ (paa), Ahom 𑜆𑜠 (pa) or 𑜆𑜡 (pā), Bouyei byal, Saek ปร๋า.
Compare Proto-Hlai *hlaː (“fish”) (whence ɗaː¹ ~ ɬaː¹ across different lects), Lakkia phla⁵¹, Proto-Be *ɓaːᴬ¹ (whence ɓa¹ in modern lects).
Derived terms
- byayouzyiz (“squid”)
- byagim (“goldfish”)
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