The verb 'drink' is one of the fundamental Germanic words, attested in every branch of the family with consistent form and meaning but uncertain ancestry beyond Proto-Germanic. From Old English 'drincan,' through Proto-Germanic *drinkaną, the word has been the primary verb for consuming liquids in English since before the earliest written records.
The Proto-Germanic form *drinkaną produced Old English 'drincan,' Old Norse 'drekka,' Old High German 'trinkan' (modern German 'trinken'), Gothic 'drigkan,' Old Frisian 'drinka,' and Dutch 'drinken.' The uniformity of this word across all Germanic languages confirms its Proto-Germanic antiquity, but its ultimate origin is debated. Some etymologists have connected it to a PIE root *dʰreg- (to draw, to pull), suggesting that the original metaphor was 'drawing in' liquid. Others have proposed
The verb's internal morphology in English reveals important relationships. 'Drink' is a strong verb with the ablaut pattern drink/drank/drunk — the same vowel alternation seen in 'sing/sang/sung,' 'ring/rang/rung,' and 'sink/sank/sunk.' This pattern (class III strong verbs in Germanic grammar) involves a nasal consonant before the final consonant, and the group is one of the most regular and well-preserved classes of strong verbs.
The causative form of 'drink' was Old English 'drencan' — literally 'to cause to drink, to give drink to.' This word survives as modern 'drench,' which has shifted from its original meaning of 'to make someone drink' (often forcibly, as in administering medicine to livestock) to the more general 'to soak thoroughly with liquid.' The semantic shift from 'causing to drink' to 'soaking' is natural — the image is of pouring so much liquid on something that it is, as it were, forced to drink. The old causative meaning survives in veterinary English, where 'to drench' an animal still means to administer liquid medicine
The past participle 'drunk' has taken on independent life as an adjective meaning 'intoxicated by alcohol,' a semantic specialization that occurred in Old English. The connection between drinking and intoxication is ancient — Old English 'druncen' already meant both 'having drunk' and 'intoxicated.' The noun 'drink' (a beverage, especially an alcoholic one) developed from the verb in Old English as well.
The word 'drown' is likely related, though the exact connection is debated. Some scholars derive it from Old Norse 'drukna' (to be drowned, to drown), itself possibly from Proto-Germanic *drunknaną (to sink, to drown), which may be connected to *drinkaną through the idea of being submerged in liquid. Others see 'drown' as an independent formation. The semantic overlap between drinking and drowning — both involving the ingestion or immersion in liquid — makes
Culturally, 'drink' has accumulated a vast network of idioms and extensions. 'To drink in' (a sight or experience) uses the metaphor of absorbing through the eyes. 'To drink to' someone's health preserves an ancient ritual practice. 'Drink-money' was the predecessor of the modern 'tip' — money given for a servant to buy a drink.
The absence of a widely accepted PIE etymology for 'drink' is itself linguistically significant. The PIE root *peh₃- (to drink) — which produced Latin 'pōtāre' (to drink, source of English 'potion,' 'potable,' and 'poison'), Greek 'pínein' (to drink), and Sanskrit 'pāti' (drinks) — was evidently replaced in Proto-Germanic by *drinkaną, just as the PIE word for 'sea' was replaced by a different Germanic innovation. Such replacements of core vocabulary, while rare, do occur, and they may reflect cultural or environmental shifts in the lives of the early Germanic peoples.