ἔλπος
Δυσαμένη δὲ κάρηνα βαθυκνήμιδος ἐρίπνης / Δελφικὸν ἄντρον ἔναιε φόβῳ λυσσώδεος Ἰνοῦς (Nonnus, Dionysiaca 9.273f.) → Having descended from the top of a deep-greaved cliff, she dwelt in a cave in Delphi, because of her fear of raving/raging Ino.
English (LSJ)
ἔλαιον, στέαρ, εὐθηνία, Hsch.; cf. ἔλφος. (Cf. Skt.
A sarpiṣ 'melted butter', OHG. salba.) ἐλπτέοντες· ἐλπίζοντες, Id.
Frisk Etymological English
Grammatical information: n?
Meaning: ἔλαιον, στέαρ, εὑθηνία; ἔλφος βούτυρον. Κύπριοι H.
Derivatives: On ὄλπη oil-bottle s.v.
Origin: PG [a word of Pre-Greek origin]
Etymology: The word is compared with Skt. sarpíṣ- n. molten butter, lard, but one would expect spir. asper. (Idem for Toch. B ṣalype, A ṣälyp fat, oil.) IE *selp-, also in Alb. gjalpë butter.) - Cypr. ἔλφος is unexplained, see DELG). The variation π\/φ points to a Pre-Greek word. - The word ὄλπη indicates a bottle, and therefore has nothing to do with the word for oil, fat (s.v.).