Origins
The verb 'bear' — to carry, to support, to endure, to bring forth — descends from one of the most prolific roots in all of Proto-Indo-European. Its ancestral form, *bʰer-, is reconstructed with exceptional confidence because it left recognizable descendants in virtually every branch of the Indo-European family. Wherever the original speakers of PIE spread, this root went with them, adapting to local phonology while preserving the core idea of carrying or conveying something from one place to another.
In English, the journey begins with Old English 'beran,' a strong verb of the fourth class. Old English retained the full paradigm: 'ic bere' (I carry), 'hē bær' (he carried), 'wē bǣron' (we carried), 'geboren' (carried, born). That past participle 'geboren' — literally 'having been carried forth' — is the same word that survived into Modern English as 'born,' a reminder that giving birth was conceptualized from the mother's perspective as an act of carrying and then releasing a burden.
Proto-Germanic *beraną was the common ancestor of Old English 'beran,' Old Norse 'bera,' Old High German 'beran,' and Gothic 'bairan.' All these forms point back to PIE *bʰer- with the regular Germanic consonant shifts described by Grimm's Law already applied: the aspirated voiced stop *bʰ became plain *b in Germanic, while the vowel pattern of the strong verb class preserved traces of the original PIE ablaut.
Proto-Indo-European Roots
Outside Germanic, the root produced some of the most important words in world literature. Latin 'ferre' (to carry, to bear) is the direct Latin reflex of *bʰer-, transformed by the sound change *bʰ → f that operated at the start of words in Italic. From 'ferre' came an enormous Latin family: 'transferre' (to carry across), 'offerre' (to carry toward, to offer), 'differre' (to carry apart, to differ), 'conferre' (to carry together, to confer), 'sufferre' (to carry under, to suffer), 'referre' (to carry back, to refer), and 'praeferre' (to carry before, to prefer). These Latin compounds flooded into English through Old French and directly through learned borrowing, meaning that a huge portion of English's Latinate vocabulary — transfer, offer, differ, confer, suffer, refer, prefer, infer, defer — ultimately traces back to the same PIE root as the native English verb 'bear.'
Greek 'phérein' (to carry, to bear) is another direct reflex. The Greek initial 'ph-' from *bʰ- is regular, and 'phérein' produced 'pherōmone' (a carried chemical signal), 'Christopher' (from Greek 'Christophoros,' Christ-bearer — one who carries Christ), and 'periphery' (a carrying around). The Sanskrit cognate 'bhárati' (carries, bears) appears in the Rigveda and gives its name to the Indian subcontinent itself: 'Bharat,' the Sanskrit name for India, derives from a legendary emperor Bharata, whose name means 'the one who is maintained' or 'the sustained one.'
The semantic range of PIE *bʰer- was already wide before the daughter languages diverged. It covered the physical act of carrying an object, the bodily act of carrying young (giving birth), the endurance of weight or suffering, and the presentation of gifts or offerings — all understood as variants of a single core action. This semantic breadth is preserved in Modern English 'bear,' which still encompasses 'bear a burden,' 'bear children,' 'bear pain,' and 'bear gifts' without any sense of contradiction.
Germanic Development
The word 'burden' itself is related, via Old English 'byrþen' (a load, a weight to be carried), from the same Proto-Germanic root with a different suffix. 'Birth' similarly derives from Old Norse 'burðr' (a carrying, a birth), showing the same root in its Scandinavian form.
One of the subtler cognates is 'fertile,' from Latin 'fertilis' (bearing much, fruitful), which entered English through Old French. Fertility is literally the quality of bearing abundantly — the same PIE root applied to soil and crops rather than to human carriers. Similarly, 'fortune' ultimately traces through Latin 'fortuna' (chance, luck, literally 'that which is brought'), connected to 'ferre' in the sense of what fate carries to you.
The personal name Christopher deserves special mention: it entered European languages from Greek 'Christophoros' and was a badge of devotion worn by those who conceived of themselves as carriers of the faith. Saint Christopher, the legendary giant who carried the Christ child across a river, gave his name iconic status, making this PIE root the etymological backbone of one of the most common given names in the Western world.
Modern Legacy
Few roots can claim such breadth of influence: from the everyday English verb 'bear' to Latin's philosophical vocabulary of transfer and preference, from the Sanskrit name of a subcontinent to the Greek word for a saint's labor, PIE *bʰer- has shaped human language and thought across five thousand years.