πιστει noun - dative singular feminine
pistis  pis'-tis: persuasion, i.e. credence; moral conviction; by extension, the system of religious (Gospel) truth itself -- assurance, belief, believe, faith, fidelity.
διεβησαν verb - second aorist active indicative - third person
diabaino  dee-ab-ah'-ee-no: to cross -- come over, pass (through).
την definite article - accusative singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ερυθραν adjective - accusative singular feminine
eruthros  er-oo-thros': red, i.e. the Red Sea -- red.
θαλασσαν noun - accusative singular feminine
thalassa  thal'-as-sah:  the sea (genitive case or specially) -- sea.
ως adverb
hos  hoce: which how, i.e. in that manner (very variously used, as follows)
δια preposition
dia  dee-ah': through (in very wide applications, local, causal, or occasional)
ξηρας noun - genitive singular feminine
xeros  xay-ros': arid; by implication, shrunken, earth (as opposed to water) -- dry land, withered.
ης relative pronoun - genitive singular feminine
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
πειραν noun - accusative singular feminine
peira  pi'-rah: a test, i.e. attempt, experience -- assaying, trial.
λαβοντες verb - second aorist active passive - nominative plural masculine
lambano  lam-ban'-o: to take (in very many applications, literally and figuratively)
οι definite article - nominative plural masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
αιγυπτιοι adjective - nominative plural masculine
Aiguptios  ahee-goop'-tee-os:  an Egyptian or inhabitant of Egyptus -- Egyptian.
κατεποθησαν verb - aorist passive indicative - third person
katapino  kat-ap-ee'-no: to drink down, i.e. gulp entire -- devour, drown, swallow (up).