to be allowed (to do something); to be permitted (to do something); may · to be allowed or permitted to do something implied or previously stated; may · expresses a prediction with mild doubt, that something is estimated or probable
çekim: geçmiş durfte · ortaç gedurft · şimdiki darf · ulaç dürfend
eş: können
köken: From Middle High German durfen, dürfen, from Old High German durfan, from Proto-West Germanic *þurban, cognate with Ancient Greek τέρπω (térpō, “I delight, please”), English tharf. See können for the origin of the historically unexpected umlaut.
Expresses an obligation or confident conjecture, equivalent to English must, have to, should, ought, etc.
köken: Inherited from Middle Persian [Book Pahlavi needed] (ʾp̄ʾyt' /abāyēd/, “it is necessary, fitting; must”), Manichaean Middle Persian 𐫀𐫁𐫀𐫏𐫅 (ʾbʾyd). Originally the third-person singular present of the verb بایستن (bāyistan /bâyestan, “to be necessary”), hence etymologically "it is necessary". The original verb is now obsolete except in a few conjugations, of which باید (bāyad /bâyad, “should;…
Forms the second-person singular subjunctive/imperative of verbs (indefinite conjugation). It is also part of all subjunctive/imperative suffixes in both indefinite and definite conjugations.
to owe something, to be under obligation to and for something · to be bound, in duty bound to do something; "ought", "must", "should" · to be owed, to be due (when in passive voice)
çekim: ortaç dēbitus · şimdiki dēbet · ulaç dēbēns
eş: cogo, decet, necesse est, oportet, opus est, par est
köken: Contraction of *dēhibeō, from dē- + habeō (“have”), though "I hold away (from someone)". See the same contraction in dēbilis. Compare the later formed dēhabeō.
aile: dēbitiō, dēbitor, dēbitrix, dēbitum
(passive voice of obligō only)
… nēmō sē iūdicet quicquam dēbēre quī tempus accēpit, cum interim hoc ūnum est quod nē grātus quidem potest reddere.