Śatapatha Brāhmaṇa ("of a hundred paths") 9.2.3.41

9.2.3.41

athāhutīrjuhoti | yathā pariviṣyānupāyayettādṛktatsruveṇa pūrve srucottarāmagne tamadyāśvaṃ na stomaiḥ kratuṃ na bhadraṃ hṛdispṛśaṃ ṛdhyāmā ta ohairiti yaste hṛdispṛkṣtomastaṃ ta ṛdhyāsamityetatpaṅktyā juhoti pañcapadā paṅktiḥ pañcacitiko 'gniḥ pañca 'rtavaḥ saṃvatsaraḥ saṃvatsaro 'gniryāvānagniryāvatyasya mātrā tāvataivainametadannena prīṇāti

He then offers oblations,--this is just as if, after serving food to some one, one gives him something to drink. With the dipping-spoon (sruva) he offers the first two, with the offering-ladle (sruk) the last (oblation); (the first) with (Vâg. S. XVII, 77), 'O Agni, may we, with hymns and thoughts, speed this day this (sacrifice) of thine, even as a steed, as a noble, heart-stirring deed!'--that is, 'whatever heart-stirring hymn is thine, may I speed (perform) that for thee.' With a paṅkti (verse) he offers,--of five feet consists the Paṅkti, of five layers the fire-altar, five seasons are a year, and Agni is the year: as great as Agni is, as great as is his measure, with so much food he thus gratifies him.