πύκνωσις
From LSJ
τὸ δὲ μέλλον ἀκριβῶς οἶδεν οὐδεὶς θνατὸς ὅπᾳ φέρεται → but as for the future no mortal knows for certain where he is bound
English (LSJ)
εως, ἡ,
A condensation, opp. μάνωσις, Arist.Ph.260b8; opp. ἀραίωσις, Epicur.Nat.14Fr.11, Plu.2.695b; π. ὑδατώδης, of the air, Arist.Mete.372b31; τὸ νέφος π. ἀέρος Id.Top.146b29; ἡ διὰ ψῦχος π. S.E.P.1.238. II (from πυκνόομαι) condensed matter, Arist.Mete.344a16, Plu.2.721a(pl.). 2 frequency of the pulse, Marcellin.Puls.228. III in Tactics, close order, κατὰ τὰς ἐναγωνίους π. Plb.18.29.2; τῶν σαρισῶν Id.18.30.3, cf. Onos.10.2 (pl.); esp. of the phalanx, Ascl.Tact.4.1,3, Ael.Tact.11.3, Arr.Tact. 11.3. IV Rhet., aggregation, τῶν ἐκλελεγμένων Longin.10.1.