ζέω; to boil with heat, be hot; often in Greek writings; thus of water, Homer, Iliad 18, 349; 21, 362 (365); metaphorically, used of 'boiling' anger, love, zeal for what is good or bad, etc. (Tragg., Plato, Plutarch, others); ζέων (on this uncontracted form cf. Alexander Buttmann (1873) Ausf. Spr. (or his School Gram. (Robinson's translation)) § 105 N. 2, i., p. 481; Matthiae, i., p. 151; (Hadley § 371 b.)) τῷ πνεύματι, fervent in spirit, said of zeal for what is good, Act_18:25; Rom_12:11; cf. especially Rückert and Fritzsche on Romans, the passage cited

ζέω zeō 2x to boil, to be hot, in NT met. to be fervent, ardent, zealous, Act_18:25 ; Rom_12:11 ζηλεύω zēleuō 1x to be zealous, earnest, eager, Rev_3:19

ζέω , [in LXX for H7311 , H7570 , metaph ., 4Ma_18:20 ;] to boil, be hot; metaph ., of anger, love, zeal: ptcp ., fervent: τ . πνεύματι , Act_18:25 , Rom_12:11 .†

ζέω [page 272] ζέω is found in its literal sense in a iii/A.D. recipe, P Lond 121 .170 (= I. p. 89) ᾠὸν ὅμοιον μήλον ( l. μήλῳ ) γενέσθαι ζέσας τὸ ᾠὸν χρείε κρόκῳ μείξας μετ᾽ οἴνου : cf. the medical recipe P Oxy XI. 1384 .36 (v/A.D.) λαβὸν ( l. ὼν ) μῆλα κυπαρίσου ζέσας κλοίζου , take the fruit of a cypress, boil it and apply (Edd.). MGr ζέσι , ζέστη , heat, and ζεσταίνω , make warm.

ζέω "to boil, seethe", of water, Hom. ; λέβης ζεῖ the kettle "boils", Il. metaph. "to boil or bubble up", of the sea, Hdt. ; of passion, like Lat. fervere, Aesch. , Soph. c. gen. "to boil up or over with" a thing, ζεῖν ὕδατος καὶ πηλοῦ Plat. ; also c. dat., ζ. φθειρσί Luc. Causal, "to make to boil", θυμόν Anth.

ζέω [in LXX for רוּם, רָתַח, metaphorically, 4Ma.18:20 ;] to boil, be hot; metaphorically, of anger, love, zeal: ptcp., fervent: τ. πνεύματι, Act.18:25, Rom.12:11.† (AS)