εν preposition
en  en: in, at, (up-)on, by, etc.
τουτω demonstrative pronoun - dative singular neuter
toutoi  too'-to: to (in, with or by) this (person or thing) -- here(-by, -in), him, one, the same, there(-in), this.
γνωσονται verb - future middle deponent indicative - third person
ginosko  ghin-oce'-ko: to know (absolutely) in a great variety of applications and with many implications (as follow, with others not thus clearly expressed)
παντες adjective - nominative plural masculine
pas  pas: apparently a primary word; all, any, every, the whole
οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
εμοι personal pronoun - first person dative singular
emoi  em-oy': to me -- I, me, mine, my.
μαθηται noun - nominative plural masculine
mathetes  math-ay-tes': a learner, i.e. pupil -- disciple.
εστε verb - present indicative - second person
este  es-teh': ye are -- be, have been, belong.
εαν conditional
ean  eh-an': before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever).
αγαπην noun - accusative singular feminine
agape  ag-ah'-pay: love, i.e. affection or benevolence; specially (plural) a love-feast -- (feast of) charity(-ably), dear, love.
εχητε verb - present active subjunctive - second person
echo  ekh'-o:  (used in certain tenses only) a primary verb; to hold
εν preposition
en  en: in, at, (up-)on, by, etc.
αλληλοις reciprocal pronoun - dative plural masculine
allelon  al-lay'-lone: one another -- each other, mutual, one another, (the other), (them-, your-)selves, (selves)