1. in these tenses Causal, to place or set under , τί τινι (Herdotus Historicus); τρεῖς σταυροὺς ὑπίστησι plants three piles in the lake to support a house, (Herdotus Historicus):—;metaphorically, γνώμας ὑποστήσας σοφάς having laid them as a foundation , (Sophocles Tragicus) 2. to post secretly or in ambush , (Herdotus Historicus) 3. Causal also in future and aor1 middle to substitute , τί τινι one thing for another, (Xenophon Historicus) 4. Pass., with aorist2 active ὑπ-έστην, perfect ὑφ-έστηκα, ionic participle ὑπ-εστεώς:—; to stand under as a support , with dative, (Herdotus Historicus) 5. to sink to the bottom, settle , τὸ ὑφιστάμενον the milk, opposite to τὸ ἐφιστάμενον (the cream), (Herdotus Historicus) 6. to place oneself under an engagement, engage or promise to do, with infinitive future, ὅσς᾽ Ἀχιλῆι ὑπέστημεν δώσειν (Iliad by Homer), etc.; with infinitive aorist, οὔ τίς με ὑπέστη σαῶσαι (Iliad by Homer); with infinitive present, (Herdotus Historicus):—;absolute, after promise given , (Odyssey by Homer); ὥσπερ ὑπέστη as he promised , (Thucydides):—;when followed by accusative, an infinitive may be supplied, τρίποδας οὕς οἱ ὑπέστη (i.e. δώσειν); (Iliad by Homer); ἐκτελέουσιν ὑπόσχεσιν ἥνπερ ὑπέσταν (Iliad by Homer) 7. to submit to any one, τινι (Iliad by Homer) 8. with accusative rei, to submit to, consent to , ὁ τὸ ἐλάχιστον ὑπιστάμενος who offers to take the least, (Herdotus Historicus); ὑφ. τὸν πλοῦν to undertake it unwillingly , (Thucydides); so, ὑφ. τὸν κίνδυνον (Thucydides): —;rarely with dative, ὑφ. ξυμφοραῖς ταῖς μεγίσταις (Thucydides) 9. to undertake an office, (Xenophon Historicus) 10. to lie concealed or in ambush , (Herdotus Historicus), etc. 11. to support an attack, to resist, withstand , with dative, (Aeschulus Tragicus); with accusative, (Euripides):—;absolute to stand one's ground, face the enemy , Lat. subsistere, (Euripides) (ML)